19898416

素因数分解:

$2^4\times {\mathrm{181}}^1\times {\mathrm{6871}}^1$

素因数の和:7060

約数の個数: 20

約数和(自身を含む): 38771824

約数和(自身を除く): 18873408

約数列:

[1, 2, 4, 8, 16, 181, 362, 724, 1448, 2896, 6871, 13742, 27484, 54968, 109936, 1243651, 2487302, 4974604, 9949208, 19898416]

約数ペア:

[(1, 19898416), (2, 9949208), (4, 4974604), (8, 2487302), (16, 1243651), (181, 109936), (362, 54968), (724, 27484), (1448, 13742), (2896, 6871)]