19510448

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7481}}^1$

素因数の和:7652

約数の個数: 20

約数和(自身を含む): 38038488

約数和(自身を除く): 18528040

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7481, 14962, 29924, 59848, 119696, 1219403, 2438806, 4877612, 9755224, 19510448]

約数ペア:

[(1, 19510448), (2, 9755224), (4, 4877612), (8, 2438806), (16, 1219403), (163, 119696), (326, 59848), (652, 29924), (1304, 14962), (2608, 7481)]