19915125

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{2309}}^1$

素因数の和:2350

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 14679435

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 1725, 2309, 2875, 6927, 8625, 11545, 34635, 53107, 57725, 159321, 173175, 265535, 288625, 796605, 865875, 1327675, 3983025, 6638375, 19915125]

約数ペア:

[(1, 19915125), (3, 6638375), (5, 3983025), (15, 1327675), (23, 865875), (25, 796605), (69, 288625), (75, 265535), (115, 173175), (125, 159321), (345, 57725), (375, 53107), (575, 34635), (1725, 11545), (2309, 8625), (2875, 6927)]