19555640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37607}}^1$

素因数の和:37631

約数の個数: 32

約数和(自身を含む): 47386080

約数和(自身を除く): 27830440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 37607, 75214, 150428, 188035, 300856, 376070, 488891, 752140, 977782, 1504280, 1955564, 2444455, 3911128, 4888910, 9777820, 19555640]

約数ペア:

[(1, 19555640), (2, 9777820), (4, 4888910), (5, 3911128), (8, 2444455), (10, 1955564), (13, 1504280), (20, 977782), (26, 752140), (40, 488891), (52, 376070), (65, 300856), (104, 188035), (130, 150428), (260, 75214), (520, 37607)]