19645875

素因数分解:

$3^3\times 5^3\times {\mathrm{5821}}^1$

素因数の和:5845

約数の個数: 32

約数和(自身を含む): 36329280

約数和(自身を除く): 16683405

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 675, 1125, 3375, 5821, 17463, 29105, 52389, 87315, 145525, 157167, 261945, 436575, 727625, 785835, 1309725, 2182875, 3929175, 6548625, 19645875]

約数ペア:

[(1, 19645875), (3, 6548625), (5, 3929175), (9, 2182875), (15, 1309725), (25, 785835), (27, 727625), (45, 436575), (75, 261945), (125, 157167), (135, 145525), (225, 87315), (375, 52389), (675, 29105), (1125, 17463), (3375, 5821)]