19814340

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:242

約数の個数: 192

約数和(自身を含む): 72253440

約数和(自身を除く): 52439100

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 19, 20, 21, 26, 28, 30, 35, 38, 39, 42, 52, 57, 60, 65, 70, 76, 78, 84, 91, 95, 105, 114, 130, 133, 140, 156, 182, 190, 191, 195, 210, 228, 247, 260, 266, 273, 285, 364, 380, 382, 390, 399, 420, 455, 494, 532, 546, 570, 573, 665, 741, 764, 780, 798, 910, 955, 988, 1092, 1140, 1146, 1235, 1330, 1337, 1365, 1482, 1596, 1729, 1820, 1910, 1995, 2292, 2470, 2483, 2660, 2674, 2730, 2865, 2964, 3458, 3629, 3705, 3820, 3990, 4011, 4940, 4966, 5187, 5348, 5460, 5730, 6685, 6916, 7258, 7410, 7449, 7980, 8022, 8645, 9932, 10374, 10887, 11460, 12415, 13370, 14516, 14820, 14898, 16044, 17290, 17381, 18145, 20055, 20748, 21774, 24830, 25403, 25935, 26740, 29796, 34580, 34762, 36290, 37245, 40110, 43548, 47177, 49660, 50806, 51870, 52143, 54435, 69524, 72580, 74490, 76209, 80220, 86905, 94354, 101612, 103740, 104286, 108870, 127015, 141531, 148980, 152418, 173810, 188708, 208572, 217740, 235885, 254030, 260715, 283062, 304836, 330239, 347620, 381045, 471770, 508060, 521430, 566124, 660478, 707655, 762090, 943540, 990717, 1042860, 1320956, 1415310, 1524180, 1651195, 1981434, 2830620, 3302390, 3962868, 4953585, 6604780, 9907170, 19814340]

約数ペア:

[(1, 19814340), (2, 9907170), (3, 6604780), (4, 4953585), (5, 3962868), (6, 3302390), (7, 2830620), (10, 1981434), (12, 1651195), (13, 1524180), (14, 1415310), (15, 1320956), (19, 1042860), (20, 990717), (21, 943540), (26, 762090), (28, 707655), (30, 660478), (35, 566124), (38, 521430), (39, 508060), (42, 471770), (52, 381045), (57, 347620), (60, 330239), (65, 304836), (70, 283062), (76, 260715), (78, 254030), (84, 235885), (91, 217740), (95, 208572), (105, 188708), (114, 173810), (130, 152418), (133, 148980), (140, 141531), (156, 127015), (182, 108870), (190, 104286), (191, 103740), (195, 101612), (210, 94354), (228, 86905), (247, 80220), (260, 76209), (266, 74490), (273, 72580), (285, 69524), (364, 54435), (380, 52143), (382, 51870), (390, 50806), (399, 49660), (420, 47177), (455, 43548), (494, 40110), (532, 37245), (546, 36290), (570, 34762), (573, 34580), (665, 29796), (741, 26740), (764, 25935), (780, 25403), (798, 24830), (910, 21774), (955, 20748), (988, 20055), (1092, 18145), (1140, 17381), (1146, 17290), (1235, 16044), (1330, 14898), (1337, 14820), (1365, 14516), (1482, 13370), (1596, 12415), (1729, 11460), (1820, 10887), (1910, 10374), (1995, 9932), (2292, 8645), (2470, 8022), (2483, 7980), (2660, 7449), (2674, 7410), (2730, 7258), (2865, 6916), (2964, 6685), (3458, 5730), (3629, 5460), (3705, 5348), (3820, 5187), (3990, 4966), (4011, 4940)]