19404454

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{643}}^1$

素因数の和:915

約数の個数: 16

約数和(自身を含む): 29675520

約数和(自身を除く): 10271066

約数列:

[1, 2, 79, 158, 191, 382, 643, 1286, 15089, 30178, 50797, 101594, 122813, 245626, 9702227, 19404454]

約数ペア:

[(1, 19404454), (2, 9702227), (79, 245626), (158, 122813), (191, 101594), (382, 50797), (643, 30178), (1286, 15089)]