19860638

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1736

約数の個数: 32

約数和(自身を含む): 36509184

約数和(自身を除く): 16648546

約数列:

[1, 2, 7, 14, 23, 37, 46, 74, 161, 259, 322, 518, 851, 1667, 1702, 3334, 5957, 11669, 11914, 23338, 38341, 61679, 76682, 123358, 268387, 431753, 536774, 863506, 1418617, 2837234, 9930319, 19860638]

約数ペア:

[(1, 19860638), (2, 9930319), (7, 2837234), (14, 1418617), (23, 863506), (37, 536774), (46, 431753), (74, 268387), (161, 123358), (259, 76682), (322, 61679), (518, 38341), (851, 23338), (1667, 11914), (1702, 11669), (3334, 5957)]