18735445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1$

素因数の和:1220

約数の個数: 16

約数和(自身を含む): 23934528

約数和(自身を除く): 5199083

約数列:

[1, 5, 17, 85, 227, 971, 1135, 3859, 4855, 16507, 19295, 82535, 220417, 1102085, 3747089, 18735445]

約数ペア:

[(1, 18735445), (5, 3747089), (17, 1102085), (85, 220417), (227, 82535), (971, 19295), (1135, 16507), (3859, 4855)]