19927552

素因数分解:

$2^9\times {\mathrm{38921}}^1$

素因数の和:38939

約数の個数: 20

約数和(自身を含む): 39817206

約数和(自身を除く): 19889654

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 38921, 77842, 155684, 311368, 622736, 1245472, 2490944, 4981888, 9963776, 19927552]

約数ペア:

[(1, 19927552), (2, 9963776), (4, 4981888), (8, 2490944), (16, 1245472), (32, 622736), (64, 311368), (128, 155684), (256, 77842), (512, 38921)]