16988405780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{44706331}}^1$

素因数の和:44706359

約数の個数: 24

約数和(自身を含む): 37553318880

約数和(自身を除く): 20564913100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 44706331, 89412662, 178825324, 223531655, 447063310, 849420289, 894126620, 1698840578, 3397681156, 4247101445, 8494202890, 16988405780]

約数ペア:

[(1, 16988405780), (2, 8494202890), (4, 4247101445), (5, 3397681156), (10, 1698840578), (19, 894126620), (20, 849420289), (38, 447063310), (76, 223531655), (95, 178825324), (190, 89412662), (380, 44706331)]