19692780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328213}}^1$

素因数の和:328225

約数の個数: 24

約数和(自身を含む): 55139952

約数和(自身を除く): 35447172

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328213, 656426, 984639, 1312852, 1641065, 1969278, 3282130, 3938556, 4923195, 6564260, 9846390, 19692780]

約数ペア:

[(1, 19692780), (2, 9846390), (3, 6564260), (4, 4923195), (5, 3938556), (6, 3282130), (10, 1969278), (12, 1641065), (15, 1312852), (20, 984639), (30, 656426), (60, 328213)]