18640858

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{6397}}^1$

素因数の和:6477

約数の個数: 16

約数和(自身を含む): 29481984

約数和(自身を除く): 10841126

約数列:

[1, 2, 31, 47, 62, 94, 1457, 2914, 6397, 12794, 198307, 300659, 396614, 601318, 9320429, 18640858]

約数ペア:

[(1, 18640858), (2, 9320429), (31, 601318), (47, 396614), (62, 300659), (94, 198307), (1457, 12794), (2914, 6397)]