19187960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43609}}^1$

素因数の和:43631

約数の個数: 32

約数和(自身を含む): 47098800

約数和(自身を除く): 27910840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 43609, 87218, 174436, 218045, 348872, 436090, 479699, 872180, 959398, 1744360, 1918796, 2398495, 3837592, 4796990, 9593980, 19187960]

約数ペア:

[(1, 19187960), (2, 9593980), (4, 4796990), (5, 3837592), (8, 2398495), (10, 1918796), (11, 1744360), (20, 959398), (22, 872180), (40, 479699), (44, 436090), (55, 348872), (88, 218045), (110, 174436), (220, 87218), (440, 43609)]