19804125

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{4801}}^1$

素因数の和:4830

約数の個数: 32

約数和(自身を含む): 35957376

約数和(自身を除く): 16153251

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 4801, 14403, 24005, 52811, 72015, 120025, 158433, 264055, 360075, 600125, 792165, 1320275, 1800375, 3960825, 6601375, 19804125]

約数ペア:

[(1, 19804125), (3, 6601375), (5, 3960825), (11, 1800375), (15, 1320275), (25, 792165), (33, 600125), (55, 360075), (75, 264055), (125, 158433), (165, 120025), (275, 72015), (375, 52811), (825, 24005), (1375, 14403), (4125, 4801)]