18928890

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{23369}}^1$

素因数の和:23388

約数の個数: 40

約数和(自身を含む): 50899860

約数和(自身を除く): 31970970

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 23369, 46738, 70107, 116845, 140214, 210321, 233690, 350535, 420642, 630963, 701070, 1051605, 1261926, 1892889, 2103210, 3154815, 3785778, 6309630, 9464445, 18928890]

約数ペア:

[(1, 18928890), (2, 9464445), (3, 6309630), (5, 3785778), (6, 3154815), (9, 2103210), (10, 1892889), (15, 1261926), (18, 1051605), (27, 701070), (30, 630963), (45, 420642), (54, 350535), (81, 233690), (90, 210321), (135, 140214), (162, 116845), (270, 70107), (405, 46738), (810, 23369)]