18256260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 96

約数和(自身を含む): 56448000

約数和(自身を除く): 38191740

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 139, 165, 199, 220, 278, 330, 398, 417, 556, 597, 660, 695, 796, 834, 995, 1194, 1390, 1529, 1668, 1990, 2085, 2189, 2388, 2780, 2985, 3058, 3980, 4170, 4378, 4587, 5970, 6116, 6567, 7645, 8340, 8756, 9174, 10945, 11940, 13134, 15290, 18348, 21890, 22935, 26268, 27661, 30580, 32835, 43780, 45870, 55322, 65670, 82983, 91740, 110644, 131340, 138305, 165966, 276610, 304271, 331932, 414915, 553220, 608542, 829830, 912813, 1217084, 1521355, 1659660, 1825626, 3042710, 3651252, 4564065, 6085420, 9128130, 18256260]

約数ペア:

[(1, 18256260), (2, 9128130), (3, 6085420), (4, 4564065), (5, 3651252), (6, 3042710), (10, 1825626), (11, 1659660), (12, 1521355), (15, 1217084), (20, 912813), (22, 829830), (30, 608542), (33, 553220), (44, 414915), (55, 331932), (60, 304271), (66, 276610), (110, 165966), (132, 138305), (139, 131340), (165, 110644), (199, 91740), (220, 82983), (278, 65670), (330, 55322), (398, 45870), (417, 43780), (556, 32835), (597, 30580), (660, 27661), (695, 26268), (796, 22935), (834, 21890), (995, 18348), (1194, 15290), (1390, 13134), (1529, 11940), (1668, 10945), (1990, 9174), (2085, 8756), (2189, 8340), (2388, 7645), (2780, 6567), (2985, 6116), (3058, 5970), (3980, 4587), (4170, 4378)]