19727178

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 40300416

約数和(自身を除く): 20573238

約数列:

[1, 2, 3, 6, 103, 137, 206, 233, 274, 309, 411, 466, 618, 699, 822, 1398, 14111, 23999, 28222, 31921, 42333, 47998, 63842, 71997, 84666, 95763, 143994, 191526, 3287863, 6575726, 9863589, 19727178]

約数ペア:

[(1, 19727178), (2, 9863589), (3, 6575726), (6, 3287863), (103, 191526), (137, 143994), (206, 95763), (233, 84666), (274, 71997), (309, 63842), (411, 47998), (466, 42333), (618, 31921), (699, 28222), (822, 23999), (1398, 14111)]