16987960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38609}}^1$

素因数の和:38631

約数の個数: 32

約数和(自身を含む): 41698800

約数和(自身を除く): 24710840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 38609, 77218, 154436, 193045, 308872, 386090, 424699, 772180, 849398, 1544360, 1698796, 2123495, 3397592, 4246990, 8493980, 16987960]

約数ペア:

[(1, 16987960), (2, 8493980), (4, 4246990), (5, 3397592), (8, 2123495), (10, 1698796), (11, 1544360), (20, 849398), (22, 772180), (40, 424699), (44, 386090), (55, 308872), (88, 193045), (110, 154436), (220, 77218), (440, 38609)]