18760940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1609}}^1$

素因数の和:1682

約数の個数: 48

約数和(自身を含む): 43817760

約数和(自身を除く): 25056820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 53, 55, 106, 110, 212, 220, 265, 530, 583, 1060, 1166, 1609, 2332, 2915, 3218, 5830, 6436, 8045, 11660, 16090, 17699, 32180, 35398, 70796, 85277, 88495, 170554, 176990, 341108, 353980, 426385, 852770, 938047, 1705540, 1876094, 3752188, 4690235, 9380470, 18760940]

約数ペア:

[(1, 18760940), (2, 9380470), (4, 4690235), (5, 3752188), (10, 1876094), (11, 1705540), (20, 938047), (22, 852770), (44, 426385), (53, 353980), (55, 341108), (106, 176990), (110, 170554), (212, 88495), (220, 85277), (265, 70796), (530, 35398), (583, 32180), (1060, 17699), (1166, 16090), (1609, 11660), (2332, 8045), (2915, 6436), (3218, 5830)]