19213720

素因数分解:

$2^3\times 5^1\times {\mathrm{480343}}^1$

素因数の和:480354

約数の個数: 16

約数和(自身を含む): 43230960

約数和(自身を除く): 24017240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 480343, 960686, 1921372, 2401715, 3842744, 4803430, 9606860, 19213720]

約数ペア:

[(1, 19213720), (2, 9606860), (4, 4803430), (5, 3842744), (8, 2401715), (10, 1921372), (20, 960686), (40, 480343)]