19176920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{68489}}^1$

素因数の和:68507

約数の個数: 32

約数和(自身を含む): 49312800

約数和(自身を除く): 30135880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 68489, 136978, 273956, 342445, 479423, 547912, 684890, 958846, 1369780, 1917692, 2397115, 2739560, 3835384, 4794230, 9588460, 19176920]

約数ペア:

[(1, 19176920), (2, 9588460), (4, 4794230), (5, 3835384), (7, 2739560), (8, 2397115), (10, 1917692), (14, 1369780), (20, 958846), (28, 684890), (35, 547912), (40, 479423), (56, 342445), (70, 273956), (140, 136978), (280, 68489)]