18231224

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 39674880

約数和(自身を除く): 21443656

約数列:

[1, 2, 4, 8, 11, 22, 31, 41, 44, 62, 82, 88, 124, 163, 164, 248, 326, 328, 341, 451, 652, 682, 902, 1271, 1304, 1364, 1793, 1804, 2542, 2728, 3586, 3608, 5053, 5084, 6683, 7172, 10106, 10168, 13366, 13981, 14344, 20212, 26732, 27962, 40424, 53464, 55583, 55924, 73513, 111166, 111848, 147026, 207173, 222332, 294052, 414346, 444664, 588104, 828692, 1657384, 2278903, 4557806, 9115612, 18231224]

約数ペア:

[(1, 18231224), (2, 9115612), (4, 4557806), (8, 2278903), (11, 1657384), (22, 828692), (31, 588104), (41, 444664), (44, 414346), (62, 294052), (82, 222332), (88, 207173), (124, 147026), (163, 111848), (164, 111166), (248, 73513), (326, 55924), (328, 55583), (341, 53464), (451, 40424), (652, 27962), (682, 26732), (902, 20212), (1271, 14344), (1304, 13981), (1364, 13366), (1793, 10168), (1804, 10106), (2542, 7172), (2728, 6683), (3586, 5084), (3608, 5053)]