19607560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{293}}^1$

素因数の和:550

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 31195640

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 293, 478, 586, 956, 1172, 1195, 1465, 1673, 1912, 2051, 2344, 2390, 2930, 3346, 4102, 4780, 5860, 6692, 8204, 8365, 9560, 10255, 11720, 13384, 16408, 16730, 20510, 33460, 41020, 66920, 70027, 82040, 140054, 280108, 350135, 490189, 560216, 700270, 980378, 1400540, 1960756, 2450945, 2801080, 3921512, 4901890, 9803780, 19607560]

約数ペア:

[(1, 19607560), (2, 9803780), (4, 4901890), (5, 3921512), (7, 2801080), (8, 2450945), (10, 1960756), (14, 1400540), (20, 980378), (28, 700270), (35, 560216), (40, 490189), (56, 350135), (70, 280108), (140, 140054), (239, 82040), (280, 70027), (293, 66920), (478, 41020), (586, 33460), (956, 20510), (1172, 16730), (1195, 16408), (1465, 13384), (1673, 11720), (1912, 10255), (2051, 9560), (2344, 8365), (2390, 8204), (2930, 6692), (3346, 5860), (4102, 4780)]