18119890

素因数分解:

$2^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{12161}}^1$

素因数の和:12317

約数の個数: 16

約数和(自身を含む): 32837400

約数和(自身を除く): 14717510

約数列:

[1, 2, 5, 10, 149, 298, 745, 1490, 12161, 24322, 60805, 121610, 1811989, 3623978, 9059945, 18119890]

約数ペア:

[(1, 18119890), (2, 9059945), (5, 3623978), (10, 1811989), (149, 121610), (298, 60805), (745, 24322), (1490, 12161)]