1918435420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8720161}}^1$

素因数の和:8720181

約数の個数: 24

約数和(自身を含む): 4394961648

約数和(自身を除く): 2476526228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 8720161, 17440322, 34880644, 43600805, 87201610, 95921771, 174403220, 191843542, 383687084, 479608855, 959217710, 1918435420]

約数ペア:

[(1, 1918435420), (2, 959217710), (4, 479608855), (5, 383687084), (10, 191843542), (11, 174403220), (20, 95921771), (22, 87201610), (44, 43600805), (55, 34880644), (110, 17440322), (220, 8720161)]