18481160

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{191}}^1$

素因数の和:302

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 25064440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 59, 82, 118, 164, 191, 205, 236, 295, 328, 382, 410, 472, 590, 764, 820, 955, 1180, 1528, 1640, 1910, 2360, 2419, 3820, 4838, 7640, 7831, 9676, 11269, 12095, 15662, 19352, 22538, 24190, 31324, 39155, 45076, 48380, 56345, 62648, 78310, 90152, 96760, 112690, 156620, 225380, 313240, 450760, 462029, 924058, 1848116, 2310145, 3696232, 4620290, 9240580, 18481160]

約数ペア:

[(1, 18481160), (2, 9240580), (4, 4620290), (5, 3696232), (8, 2310145), (10, 1848116), (20, 924058), (40, 462029), (41, 450760), (59, 313240), (82, 225380), (118, 156620), (164, 112690), (191, 96760), (205, 90152), (236, 78310), (295, 62648), (328, 56345), (382, 48380), (410, 45076), (472, 39155), (590, 31324), (764, 24190), (820, 22538), (955, 19352), (1180, 15662), (1528, 12095), (1640, 11269), (1910, 9676), (2360, 7831), (2419, 7640), (3820, 4838)]