18247990

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{4691}}^1$

素因数の和:5087

約数の個数: 16

約数和(自身を含む): 32937840

約数和(自身を除く): 14689850

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 4691, 9382, 23455, 46910, 1824799, 3649598, 9123995, 18247990]

約数ペア:

[(1, 18247990), (2, 9123995), (5, 3649598), (10, 1824799), (389, 46910), (778, 23455), (1945, 9382), (3890, 4691)]