19408678380

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{394967}}^1$

素因数の和:395005

約数の個数: 192

約数和(自身を含む): 74317178880

約数和(自身を除く): 54908500500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 52, 54, 60, 63, 65, 70, 78, 84, 90, 91, 105, 108, 117, 126, 130, 135, 140, 156, 180, 182, 189, 195, 210, 234, 252, 260, 270, 273, 315, 351, 364, 378, 390, 420, 455, 468, 540, 546, 585, 630, 702, 756, 780, 819, 910, 945, 1092, 1170, 1260, 1365, 1404, 1638, 1755, 1820, 1890, 2340, 2457, 2730, 3276, 3510, 3780, 4095, 4914, 5460, 7020, 8190, 9828, 12285, 16380, 24570, 49140, 394967, 789934, 1184901, 1579868, 1974835, 2369802, 2764769, 3554703, 3949670, 4739604, 5134571, 5529538, 5924505, 7109406, 7899340, 8294307, 10269142, 10664109, 11059076, 11849010, 13823845, 14218812, 15403713, 16588614, 17773515, 20538284, 21328218, 23698020, 24882921, 25672855, 27647690, 30807426, 33177228, 35547030, 35941997, 41471535, 42656436, 46211139, 49765842, 51345710, 53320545, 55295380, 61614852, 71094060, 71883994, 74648763, 77018565, 82943070, 92422278, 99531684, 102691420, 106641090, 107825991, 124414605, 138633417, 143767988, 149297526, 154037130, 165886140, 179709985, 184844556, 213282180, 215651982, 231055695, 248829210, 277266834, 298595052, 308074260, 323477973, 359419970, 373243815, 431303964, 462111390, 497658420, 539129955, 554533668, 646955946, 693167085, 718839940, 746487630, 924222780, 970433919, 1078259910, 1293911892, 1386334170, 1492975260, 1617389865, 1940867838, 2156519820, 2772668340, 3234779730, 3881735676, 4852169595, 6469559460, 9704339190, 19408678380]

約数ペア:

[(1, 19408678380), (2, 9704339190), (3, 6469559460), (4, 4852169595), (5, 3881735676), (6, 3234779730), (7, 2772668340), (9, 2156519820), (10, 1940867838), (12, 1617389865), (13, 1492975260), (14, 1386334170), (15, 1293911892), (18, 1078259910), (20, 970433919), (21, 924222780), (26, 746487630), (27, 718839940), (28, 693167085), (30, 646955946), (35, 554533668), (36, 539129955), (39, 497658420), (42, 462111390), (45, 431303964), (52, 373243815), (54, 359419970), (60, 323477973), (63, 308074260), (65, 298595052), (70, 277266834), (78, 248829210), (84, 231055695), (90, 215651982), (91, 213282180), (105, 184844556), (108, 179709985), (117, 165886140), (126, 154037130), (130, 149297526), (135, 143767988), (140, 138633417), (156, 124414605), (180, 107825991), (182, 106641090), (189, 102691420), (195, 99531684), (210, 92422278), (234, 82943070), (252, 77018565), (260, 74648763), (270, 71883994), (273, 71094060), (315, 61614852), (351, 55295380), (364, 53320545), (378, 51345710), (390, 49765842), (420, 46211139), (455, 42656436), (468, 41471535), (540, 35941997), (546, 35547030), (585, 33177228), (630, 30807426), (702, 27647690), (756, 25672855), (780, 24882921), (819, 23698020), (910, 21328218), (945, 20538284), (1092, 17773515), (1170, 16588614), (1260, 15403713), (1365, 14218812), (1404, 13823845), (1638, 11849010), (1755, 11059076), (1820, 10664109), (1890, 10269142), (2340, 8294307), (2457, 7899340), (2730, 7109406), (3276, 5924505), (3510, 5529538), (3780, 5134571), (4095, 4739604), (4914, 3949670), (5460, 3554703), (7020, 2764769), (8190, 2369802), (9828, 1974835), (12285, 1579868), (16380, 1184901), (24570, 789934), (49140, 394967)]