1961716180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{9041}}^1$

素因数の和:9640

約数の個数: 48

約数和(自身を含む): 4344500160

約数和(自身を除く): 2382783980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 571, 1142, 2284, 2855, 5710, 9041, 10849, 11420, 18082, 21698, 36164, 43396, 45205, 54245, 90410, 108490, 171779, 180820, 216980, 343558, 687116, 858895, 1717790, 3435580, 5162411, 10324822, 20649644, 25812055, 51624110, 98085809, 103248220, 196171618, 392343236, 490429045, 980858090, 1961716180]

約数ペア:

[(1, 1961716180), (2, 980858090), (4, 490429045), (5, 392343236), (10, 196171618), (19, 103248220), (20, 98085809), (38, 51624110), (76, 25812055), (95, 20649644), (190, 10324822), (380, 5162411), (571, 3435580), (1142, 1717790), (2284, 858895), (2855, 687116), (5710, 343558), (9041, 216980), (10849, 180820), (11420, 171779), (18082, 108490), (21698, 90410), (36164, 54245), (43396, 45205)]