18943328

素因数分解:

$2^5\times {\mathrm{109}}^1\times {\mathrm{5431}}^1$

素因数の和:5550

約数の個数: 24

約数和(自身を含む): 37643760

約数和(自身を除く): 18700432

約数列:

[1, 2, 4, 8, 16, 32, 109, 218, 436, 872, 1744, 3488, 5431, 10862, 21724, 43448, 86896, 173792, 591979, 1183958, 2367916, 4735832, 9471664, 18943328]

約数ペア:

[(1, 18943328), (2, 9471664), (4, 4735832), (8, 2367916), (16, 1183958), (32, 591979), (109, 173792), (218, 86896), (436, 43448), (872, 21724), (1744, 10862), (3488, 5431)]