19871672

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{42101}}^1$

素因数の和:42166

約数の個数: 16

約数和(自身を含む): 37891800

約数和(自身を除く): 18020128

約数列:

[1, 2, 4, 8, 59, 118, 236, 472, 42101, 84202, 168404, 336808, 2483959, 4967918, 9935836, 19871672]

約数ペア:

[(1, 19871672), (2, 9935836), (4, 4967918), (8, 2483959), (59, 336808), (118, 168404), (236, 84202), (472, 42101)]