19163620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{136883}}^1$

素因数の和:136899

約数の個数: 24

約数和(自身を含む): 45993024

約数和(自身を除く): 26829404

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 136883, 273766, 547532, 684415, 958181, 1368830, 1916362, 2737660, 3832724, 4790905, 9581810, 19163620]

約数ペア:

[(1, 19163620), (2, 9581810), (4, 4790905), (5, 3832724), (7, 2737660), (10, 1916362), (14, 1368830), (20, 958181), (28, 684415), (35, 547532), (70, 273766), (140, 136883)]