19218899

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1741}}^1$

素因数の和:1850

約数の個数: 16

約数和(自身を含む): 23412480

約数和(自身を除く): 4193581

約数列:

[1, 7, 19, 83, 133, 581, 1577, 1741, 11039, 12187, 33079, 144503, 231553, 1011521, 2745557, 19218899]

約数ペア:

[(1, 19218899), (7, 2745557), (19, 1011521), (83, 231553), (133, 144503), (581, 33079), (1577, 12187), (1741, 11039)]