19243802

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{239}}^1\times {\mathrm{317}}^1$

素因数の和:685

約数の個数: 16

約数和(自身を含む): 29306880

約数和(自身を除く): 10063078

約数列:

[1, 2, 127, 239, 254, 317, 478, 634, 30353, 40259, 60706, 75763, 80518, 151526, 9621901, 19243802]

約数ペア:

[(1, 19243802), (2, 9621901), (127, 151526), (239, 80518), (254, 75763), (317, 60706), (478, 40259), (634, 30353)]