18938398

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1\times {\mathrm{677}}^1$

素因数の和:947

約数の個数: 16

約数和(自身を含む): 28996704

約数和(自身を除く): 10058306

約数列:

[1, 2, 71, 142, 197, 394, 677, 1354, 13987, 27974, 48067, 96134, 133369, 266738, 9469199, 18938398]

約数ペア:

[(1, 18938398), (2, 9469199), (71, 266738), (142, 133369), (197, 96134), (394, 48067), (677, 27974), (1354, 13987)]