19222201

素因数分解:

${\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{167}}^1$

素因数の和:324

約数の個数: 16

約数和(自身を含む): 20643840

約数和(自身を除く): 1421639

約数列:

[1, 31, 47, 79, 167, 1457, 2449, 3713, 5177, 7849, 13193, 115103, 243319, 408983, 620071, 19222201]

約数ペア:

[(1, 19222201), (31, 620071), (47, 408983), (79, 243319), (167, 115103), (1457, 13193), (2449, 7849), (3713, 5177)]