15981012

素因数分解:

$2^2\times 3^2\times {\mathrm{443917}}^1$

素因数の和:443927

約数の個数: 18

約数和(自身を含む): 40396538

約数和(自身を除く): 24415526

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 443917, 887834, 1331751, 1775668, 2663502, 3995253, 5327004, 7990506, 15981012]

約数ペア:

[(1, 15981012), (2, 7990506), (3, 5327004), (4, 3995253), (6, 2663502), (9, 1775668), (12, 1331751), (18, 887834), (36, 443917)]