19172205

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{2521}}^1$

素因数の和:2558

約数の個数: 36

約数和(自身を含む): 35999028

約数和(自身を除く): 16826823

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 169, 195, 507, 585, 845, 1521, 2521, 2535, 7563, 7605, 12605, 22689, 32773, 37815, 98319, 113445, 163865, 294957, 426049, 491595, 1278147, 1474785, 2130245, 3834441, 6390735, 19172205]

約数ペア:

[(1, 19172205), (3, 6390735), (5, 3834441), (9, 2130245), (13, 1474785), (15, 1278147), (39, 491595), (45, 426049), (65, 294957), (117, 163865), (169, 113445), (195, 98319), (507, 37815), (585, 32773), (845, 22689), (1521, 12605), (2521, 7605), (2535, 7563)]