19007055

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:749

約数の個数: 40

約数和(自身を含む): 34604064

約数和(自身を除く): 15597009

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 661, 1065, 1917, 1983, 3195, 3305, 5751, 5949, 9585, 9915, 17847, 28755, 29745, 46931, 53541, 89235, 140793, 234655, 267705, 422379, 703965, 1267137, 2111895, 3801411, 6335685, 19007055]

約数ペア:

[(1, 19007055), (3, 6335685), (5, 3801411), (9, 2111895), (15, 1267137), (27, 703965), (45, 422379), (71, 267705), (81, 234655), (135, 140793), (213, 89235), (355, 53541), (405, 46931), (639, 29745), (661, 28755), (1065, 17847), (1917, 9915), (1983, 9585), (3195, 5949), (3305, 5751)]