20181661623

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{39340471}}^1$

素因数の和:39340499

約数の個数: 16

約数和(自身を含む): 31472377600

約数和(自身を除く): 11290715977

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 39340471, 118021413, 354064239, 747468949, 1062192717, 2242406847, 6727220541, 20181661623]

約数ペア:

[(1, 20181661623), (3, 6727220541), (9, 2242406847), (19, 1062192717), (27, 747468949), (57, 354064239), (171, 118021413), (513, 39340471)]