19946878

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{23357}}^1$

素因数の和:23427

約数の個数: 16

約数和(自身を含む): 34756704

約数和(自身を除く): 14809826

約数列:

[1, 2, 7, 14, 61, 122, 427, 854, 23357, 46714, 163499, 326998, 1424777, 2849554, 9973439, 19946878]

約数ペア:

[(1, 19946878), (2, 9973439), (7, 2849554), (14, 1424777), (61, 326998), (122, 163499), (427, 46714), (854, 23357)]