18916860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{315281}}^1$

素因数の和:315293

約数の個数: 24

約数和(自身を含む): 52967376

約数和(自身を除く): 34050516

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 315281, 630562, 945843, 1261124, 1576405, 1891686, 3152810, 3783372, 4729215, 6305620, 9458430, 18916860]

約数ペア:

[(1, 18916860), (2, 9458430), (3, 6305620), (4, 4729215), (5, 3783372), (6, 3152810), (10, 1891686), (12, 1576405), (15, 1261124), (20, 945843), (30, 630562), (60, 315281)]