19582225

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 26482680

約数和(自身を除く): 6900455

約数列:

[1, 5, 13, 25, 65, 89, 325, 445, 677, 1157, 2225, 3385, 5785, 8801, 16925, 28925, 44005, 60253, 220025, 301265, 783289, 1506325, 3916445, 19582225]

約数ペア:

[(1, 19582225), (5, 3916445), (13, 1506325), (25, 783289), (65, 301265), (89, 220025), (325, 60253), (445, 44005), (677, 28925), (1157, 16925), (2225, 8801), (3385, 5785)]