18763886

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8237}}^1$

素因数の和:8323

約数の個数: 16

約数和(自身を含む): 30249936

約数和(自身を除く): 11486050

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 8237, 16474, 140029, 280058, 551879, 1103758, 9381943, 18763886]

約数ペア:

[(1, 18763886), (2, 9381943), (17, 1103758), (34, 551879), (67, 280058), (134, 140029), (1139, 16474), (2278, 8237)]