19817149

素因数分解:

${\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{113}}^1\times {\mathrm{149}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 22161600

約数和(自身を除く): 2344451

約数列:

[1, 11, 107, 113, 149, 1177, 1243, 1639, 12091, 15943, 16837, 133001, 175373, 185207, 1801559, 19817149]

約数ペア:

[(1, 19817149), (11, 1801559), (107, 185207), (113, 175373), (149, 133001), (1177, 16837), (1243, 15943), (1639, 12091)]