19176820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73757}}^1$

素因数の和:73779

約数の個数: 24

約数和(自身を含む): 43369704

約数和(自身を除く): 24192884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73757, 147514, 295028, 368785, 737570, 958841, 1475140, 1917682, 3835364, 4794205, 9588410, 19176820]

約数ペア:

[(1, 19176820), (2, 9588410), (4, 4794205), (5, 3835364), (10, 1917682), (13, 1475140), (20, 958841), (26, 737570), (52, 368785), (65, 295028), (130, 147514), (260, 73757)]