19748368

素因数分解:

$2^4\times {\mathrm{397}}^1\times {\mathrm{3109}}^1$

素因数の和:3514

約数の個数: 20

約数和(自身を含む): 38371180

約数和(自身を除く): 18622812

約数列:

[1, 2, 4, 8, 16, 397, 794, 1588, 3109, 3176, 6218, 6352, 12436, 24872, 49744, 1234273, 2468546, 4937092, 9874184, 19748368]

約数ペア:

[(1, 19748368), (2, 9874184), (4, 4937092), (8, 2468546), (16, 1234273), (397, 49744), (794, 24872), (1588, 12436), (3109, 6352), (3176, 6218)]