18311240

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7759}}^1$

素因数の和:7829

約数の個数: 32

約数和(自身を含む): 41904000

約数和(自身を除く): 23592760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 7759, 15518, 31036, 38795, 62072, 77590, 155180, 310360, 457781, 915562, 1831124, 2288905, 3662248, 4577810, 9155620, 18311240]

約数ペア:

[(1, 18311240), (2, 9155620), (4, 4577810), (5, 3662248), (8, 2288905), (10, 1831124), (20, 915562), (40, 457781), (59, 310360), (118, 155180), (236, 77590), (295, 62072), (472, 38795), (590, 31036), (1180, 15518), (2360, 7759)]