18946125

素因数分解:

$3^2\times 5^3\times {\mathrm{11}}^1\times {\mathrm{1531}}^1$

素因数の和:1563

約数の個数: 48

約数和(自身を含む): 37282752

約数和(自身を除く): 18336627

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 125, 165, 225, 275, 375, 495, 825, 1125, 1375, 1531, 2475, 4125, 4593, 7655, 12375, 13779, 16841, 22965, 38275, 50523, 68895, 84205, 114825, 151569, 191375, 252615, 344475, 421025, 574125, 757845, 1263075, 1722375, 2105125, 3789225, 6315375, 18946125]

約数ペア:

[(1, 18946125), (3, 6315375), (5, 3789225), (9, 2105125), (11, 1722375), (15, 1263075), (25, 757845), (33, 574125), (45, 421025), (55, 344475), (75, 252615), (99, 191375), (125, 151569), (165, 114825), (225, 84205), (275, 68895), (375, 50523), (495, 38275), (825, 22965), (1125, 16841), (1375, 13779), (1531, 12375), (2475, 7655), (4125, 4593)]