19864478

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{3391}}^1$

素因数の和:3523

約数の個数: 16

約数和(自身を含む): 31138560

約数和(自身を除く): 11274082

約数列:

[1, 2, 29, 58, 101, 202, 2929, 3391, 5858, 6782, 98339, 196678, 342491, 684982, 9932239, 19864478]

約数ペア:

[(1, 19864478), (2, 9932239), (29, 684982), (58, 342491), (101, 196678), (202, 98339), (2929, 6782), (3391, 5858)]