18795915

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4801}}^1$

素因数の和:4844

約数の個数: 32

約数和(自身を含む): 34574400

約数和(自身を除く): 15778485

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4801, 14403, 24005, 43209, 72015, 129627, 139229, 216045, 417687, 648135, 696145, 1253061, 2088435, 3759183, 6265305, 18795915]

約数ペア:

[(1, 18795915), (3, 6265305), (5, 3759183), (9, 2088435), (15, 1253061), (27, 696145), (29, 648135), (45, 417687), (87, 216045), (135, 139229), (145, 129627), (261, 72015), (435, 43209), (783, 24005), (1305, 14403), (3915, 4801)]