18703960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42509}}^1$

素因数の和:42531

約数の個数: 32

約数和(自身を含む): 45910800

約数和(自身を除く): 27206840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42509, 85018, 170036, 212545, 340072, 425090, 467599, 850180, 935198, 1700360, 1870396, 2337995, 3740792, 4675990, 9351980, 18703960]

約数ペア:

[(1, 18703960), (2, 9351980), (4, 4675990), (5, 3740792), (8, 2337995), (10, 1870396), (11, 1700360), (20, 935198), (22, 850180), (40, 467599), (44, 425090), (55, 340072), (88, 212545), (110, 170036), (220, 85018), (440, 42509)]