19897444840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{199}}^1\times {\mathrm{2113}}^1$

素因数の和:2356

約数の個数: 192

約数和(自身を含む): 55708128000

約数和(自身を除く): 35810683160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 169, 182, 199, 260, 280, 338, 364, 398, 455, 520, 676, 728, 796, 845, 910, 995, 1183, 1352, 1393, 1592, 1690, 1820, 1990, 2113, 2366, 2587, 2786, 3380, 3640, 3980, 4226, 4732, 5174, 5572, 5915, 6760, 6965, 7960, 8452, 9464, 10348, 10565, 11144, 11830, 12935, 13930, 14791, 16904, 18109, 20696, 21130, 23660, 25870, 27469, 27860, 29582, 33631, 36218, 42260, 47320, 51740, 54938, 55720, 59164, 67262, 72436, 73955, 84520, 90545, 103480, 109876, 118328, 134524, 137345, 144872, 147910, 168155, 181090, 192283, 219752, 235417, 269048, 274690, 295820, 336310, 357097, 362180, 384566, 420487, 470834, 549380, 591640, 672620, 714194, 724360, 769132, 840974, 941668, 961415, 1098760, 1177085, 1345240, 1428388, 1538264, 1681948, 1785485, 1883336, 1922830, 2102435, 2354170, 2499679, 2856776, 2943409, 3363896, 3570970, 3845660, 4204870, 4708340, 4999358, 5466331, 5886818, 7141940, 7691320, 8409740, 9416680, 9998716, 10932662, 11773636, 12498395, 14283880, 14717045, 16819480, 19997432, 21865324, 23547272, 24996790, 27331655, 29434090, 38264317, 43730648, 49993580, 54663310, 58868180, 71062303, 76528634, 99987160, 109326620, 117736360, 142124606, 153057268, 191321585, 218653240, 284249212, 306114536, 355311515, 382643170, 497436121, 568498424, 710623030, 765286340, 994872242, 1421246060, 1530572680, 1989744484, 2487180605, 2842492120, 3979488968, 4974361210, 9948722420, 19897444840]

約数ペア:

[(1, 19897444840), (2, 9948722420), (4, 4974361210), (5, 3979488968), (7, 2842492120), (8, 2487180605), (10, 1989744484), (13, 1530572680), (14, 1421246060), (20, 994872242), (26, 765286340), (28, 710623030), (35, 568498424), (40, 497436121), (52, 382643170), (56, 355311515), (65, 306114536), (70, 284249212), (91, 218653240), (104, 191321585), (130, 153057268), (140, 142124606), (169, 117736360), (182, 109326620), (199, 99987160), (260, 76528634), (280, 71062303), (338, 58868180), (364, 54663310), (398, 49993580), (455, 43730648), (520, 38264317), (676, 29434090), (728, 27331655), (796, 24996790), (845, 23547272), (910, 21865324), (995, 19997432), (1183, 16819480), (1352, 14717045), (1393, 14283880), (1592, 12498395), (1690, 11773636), (1820, 10932662), (1990, 9998716), (2113, 9416680), (2366, 8409740), (2587, 7691320), (2786, 7141940), (3380, 5886818), (3640, 5466331), (3980, 4999358), (4226, 4708340), (4732, 4204870), (5174, 3845660), (5572, 3570970), (5915, 3363896), (6760, 2943409), (6965, 2856776), (7960, 2499679), (8452, 2354170), (9464, 2102435), (10348, 1922830), (10565, 1883336), (11144, 1785485), (11830, 1681948), (12935, 1538264), (13930, 1428388), (14791, 1345240), (16904, 1177085), (18109, 1098760), (20696, 961415), (21130, 941668), (23660, 840974), (25870, 769132), (27469, 724360), (27860, 714194), (29582, 672620), (33631, 591640), (36218, 549380), (42260, 470834), (47320, 420487), (51740, 384566), (54938, 362180), (55720, 357097), (59164, 336310), (67262, 295820), (72436, 274690), (73955, 269048), (84520, 235417), (90545, 219752), (103480, 192283), (109876, 181090), (118328, 168155), (134524, 147910), (137345, 144872)]