19041520

素因数分解:

$2^4\times 5^1\times {\mathrm{238019}}^1$

素因数の和:238032

約数の個数: 20

約数和(自身を含む): 44271720

約数和(自身を除く): 25230200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 238019, 476038, 952076, 1190095, 1904152, 2380190, 3808304, 4760380, 9520760, 19041520]

約数ペア:

[(1, 19041520), (2, 9520760), (4, 4760380), (5, 3808304), (8, 2380190), (10, 1904152), (16, 1190095), (20, 952076), (40, 476038), (80, 238019)]