18424705

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:265

約数の個数: 32

約数和(自身を含む): 25127424

約数和(自身を除く): 6702719

約数列:

[1, 5, 13, 37, 47, 65, 163, 185, 235, 481, 611, 815, 1739, 2119, 2405, 3055, 6031, 7661, 8695, 10595, 22607, 30155, 38305, 78403, 99593, 113035, 283457, 392015, 497965, 1417285, 3684941, 18424705]

約数ペア:

[(1, 18424705), (5, 3684941), (13, 1417285), (37, 497965), (47, 392015), (65, 283457), (163, 113035), (185, 99593), (235, 78403), (481, 38305), (611, 30155), (815, 22607), (1739, 10595), (2119, 8695), (2405, 7661), (3055, 6031)]