31390018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{18061}}^1$

素因数の和:18153

約数の個数: 16

約数和(自身を含む): 52018560

約数和(自身を除く): 20628542

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 18061, 36122, 198671, 397342, 1426819, 2853638, 15695009, 31390018]

約数ペア:

[(1, 31390018), (2, 15695009), (11, 2853638), (22, 1426819), (79, 397342), (158, 198671), (869, 36122), (1738, 18061)]