18210990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{86719}}^1$

素因数の和:86736

約数の個数: 32

約数和(自身を含む): 49950720

約数和(自身を除く): 31739730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 86719, 173438, 260157, 433595, 520314, 607033, 867190, 1214066, 1300785, 1821099, 2601570, 3035165, 3642198, 6070330, 9105495, 18210990]

約数ペア:

[(1, 18210990), (2, 9105495), (3, 6070330), (5, 3642198), (6, 3035165), (7, 2601570), (10, 1821099), (14, 1300785), (15, 1214066), (21, 867190), (30, 607033), (35, 520314), (42, 433595), (70, 260157), (105, 173438), (210, 86719)]