18339780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{305663}}^1$

素因数の和:305675

約数の個数: 24

約数和(自身を含む): 51351552

約数和(自身を除く): 33011772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 305663, 611326, 916989, 1222652, 1528315, 1833978, 3056630, 3667956, 4584945, 6113260, 9169890, 18339780]

約数ペア:

[(1, 18339780), (2, 9169890), (3, 6113260), (4, 4584945), (5, 3667956), (6, 3056630), (10, 1833978), (12, 1528315), (15, 1222652), (20, 916989), (30, 611326), (60, 305663)]