19809075

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1847}}^1$

素因数の和:1884

約数の個数: 48

約数和(自身を含む): 38497536

約数和(自身を除く): 18688461

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 143, 165, 195, 275, 325, 429, 715, 825, 975, 1847, 2145, 3575, 5541, 9235, 10725, 20317, 24011, 27705, 46175, 60951, 72033, 101585, 120055, 138525, 264121, 304755, 360165, 507925, 600275, 792363, 1320605, 1523775, 1800825, 3961815, 6603025, 19809075]

約数ペア:

[(1, 19809075), (3, 6603025), (5, 3961815), (11, 1800825), (13, 1523775), (15, 1320605), (25, 792363), (33, 600275), (39, 507925), (55, 360165), (65, 304755), (75, 264121), (143, 138525), (165, 120055), (195, 101585), (275, 72033), (325, 60951), (429, 46175), (715, 27705), (825, 24011), (975, 20317), (1847, 10725), (2145, 9235), (3575, 5541)]