1861290

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{20681}}^1$

素因数の和:20694

約数の個数: 24

約数和(自身を含む): 4839588

約数和(自身を除く): 2978298

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 20681, 41362, 62043, 103405, 124086, 186129, 206810, 310215, 372258, 620430, 930645, 1861290]

約数ペア:

[(1, 1861290), (2, 930645), (3, 620430), (5, 372258), (6, 310215), (9, 206810), (10, 186129), (15, 124086), (18, 103405), (30, 62043), (45, 41362), (90, 20681)]