19156540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73679}}^1$

素因数の和:73701

約数の個数: 24

約数和(自身を含む): 43323840

約数和(自身を除く): 24167300

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 73679, 147358, 294716, 368395, 736790, 957827, 1473580, 1915654, 3831308, 4789135, 9578270, 19156540]

約数ペア:

[(1, 19156540), (2, 9578270), (4, 4789135), (5, 3831308), (10, 1915654), (13, 1473580), (20, 957827), (26, 736790), (52, 368395), (65, 294716), (130, 147358), (260, 73679)]