18931829

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6917}}^1$

素因数の和:6964

約数の個数: 16

約数和(自身を含む): 23908608

約数和(自身を除く): 4976779

約数列:

[1, 7, 17, 23, 119, 161, 391, 2737, 6917, 48419, 117589, 159091, 823123, 1113637, 2704547, 18931829]

約数ペア:

[(1, 18931829), (7, 2704547), (17, 1113637), (23, 823123), (119, 159091), (161, 117589), (391, 48419), (2737, 6917)]