17939686

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{10979}}^1$

素因数の和:11043

約数の個数: 16

約数和(自身を含む): 28987200

約数和(自身を除く): 11047514

約数列:

[1, 2, 19, 38, 43, 86, 817, 1634, 10979, 21958, 208601, 417202, 472097, 944194, 8969843, 17939686]

約数ペア:

[(1, 17939686), (2, 8969843), (19, 944194), (38, 472097), (43, 417202), (86, 208601), (817, 21958), (1634, 10979)]