19186480

素因数分解:

$2^4\times 5^1\times {\mathrm{239831}}^1$

素因数の和:239844

約数の個数: 20

約数和(自身を含む): 44608752

約数和(自身を除く): 25422272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239831, 479662, 959324, 1199155, 1918648, 2398310, 3837296, 4796620, 9593240, 19186480]

約数ペア:

[(1, 19186480), (2, 9593240), (4, 4796620), (5, 3837296), (8, 2398310), (10, 1918648), (16, 1199155), (20, 959324), (40, 479662), (80, 239831)]