18860395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{4721}}^1$

素因数の和:4790

約数の個数: 16

約数和(自身を含む): 24478848

約数和(自身を除く): 5618453

約数列:

[1, 5, 17, 47, 85, 235, 799, 3995, 4721, 23605, 80257, 221887, 401285, 1109435, 3772079, 18860395]

約数ペア:

[(1, 18860395), (5, 3772079), (17, 1109435), (47, 401285), (85, 221887), (235, 80257), (799, 23605), (3995, 4721)]