18623080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{293}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 48263040

約数和(自身を除く): 29639960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 227, 280, 293, 454, 586, 908, 1135, 1172, 1465, 1589, 1816, 2051, 2270, 2344, 2930, 3178, 4102, 4540, 5860, 6356, 7945, 8204, 9080, 10255, 11720, 12712, 15890, 16408, 20510, 31780, 41020, 63560, 66511, 82040, 133022, 266044, 332555, 465577, 532088, 665110, 931154, 1330220, 1862308, 2327885, 2660440, 3724616, 4655770, 9311540, 18623080]

約数ペア:

[(1, 18623080), (2, 9311540), (4, 4655770), (5, 3724616), (7, 2660440), (8, 2327885), (10, 1862308), (14, 1330220), (20, 931154), (28, 665110), (35, 532088), (40, 465577), (56, 332555), (70, 266044), (140, 133022), (227, 82040), (280, 66511), (293, 63560), (454, 41020), (586, 31780), (908, 20510), (1135, 16408), (1172, 15890), (1465, 12712), (1589, 11720), (1816, 10255), (2051, 9080), (2270, 8204), (2344, 7945), (2930, 6356), (3178, 5860), (4102, 4540)]