18996811240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{38861}}^1$

素因数の和:38995

約数の個数: 96

約数和(自身を含む): 47448170280

約数和(自身を除く): 28451359040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 101, 110, 121, 202, 220, 242, 404, 440, 484, 505, 605, 808, 968, 1010, 1111, 1210, 2020, 2222, 2420, 4040, 4444, 4840, 5555, 8888, 11110, 12221, 22220, 24442, 38861, 44440, 48884, 61105, 77722, 97768, 122210, 155444, 194305, 244420, 310888, 388610, 427471, 488840, 777220, 854942, 1554440, 1709884, 2137355, 3419768, 3924961, 4274710, 4702181, 7849922, 8549420, 9404362, 15699844, 17098840, 18808724, 19624805, 23510905, 31399688, 37617448, 39249610, 43174571, 47021810, 78499220, 86349142, 94043620, 156998440, 172698284, 188087240, 215872855, 345396568, 431745710, 474920281, 863491420, 949840562, 1726982840, 1899681124, 2374601405, 3799362248, 4749202810, 9498405620, 18996811240]

約数ペア:

[(1, 18996811240), (2, 9498405620), (4, 4749202810), (5, 3799362248), (8, 2374601405), (10, 1899681124), (11, 1726982840), (20, 949840562), (22, 863491420), (40, 474920281), (44, 431745710), (55, 345396568), (88, 215872855), (101, 188087240), (110, 172698284), (121, 156998440), (202, 94043620), (220, 86349142), (242, 78499220), (404, 47021810), (440, 43174571), (484, 39249610), (505, 37617448), (605, 31399688), (808, 23510905), (968, 19624805), (1010, 18808724), (1111, 17098840), (1210, 15699844), (2020, 9404362), (2222, 8549420), (2420, 7849922), (4040, 4702181), (4444, 4274710), (4840, 3924961), (5555, 3419768), (8888, 2137355), (11110, 1709884), (12221, 1554440), (22220, 854942), (24442, 777220), (38861, 488840), (44440, 427471), (48884, 388610), (61105, 310888), (77722, 244420), (97768, 194305), (122210, 155444)]