18887130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{209857}}^1$

素因数の和:209870

約数の個数: 24

約数和(自身を含む): 49106772

約数和(自身を除く): 30219642

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 209857, 419714, 629571, 1049285, 1259142, 1888713, 2098570, 3147855, 3777426, 6295710, 9443565, 18887130]

約数ペア:

[(1, 18887130), (2, 9443565), (3, 6295710), (5, 3777426), (6, 3147855), (9, 2098570), (10, 1888713), (15, 1259142), (18, 1049285), (30, 629571), (45, 419714), (90, 209857)]