19099780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{601}}^1$

素因数の和:844

約数の個数: 48

約数和(自身を含む): 46118016

約数和(自身を除く): 27018236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 601, 908, 1135, 1202, 1589, 2270, 2404, 3005, 3178, 4207, 4540, 6010, 6356, 7945, 8414, 12020, 15890, 16828, 21035, 31780, 42070, 84140, 136427, 272854, 545708, 682135, 954989, 1364270, 1909978, 2728540, 3819956, 4774945, 9549890, 19099780]

約数ペア:

[(1, 19099780), (2, 9549890), (4, 4774945), (5, 3819956), (7, 2728540), (10, 1909978), (14, 1364270), (20, 954989), (28, 682135), (35, 545708), (70, 272854), (140, 136427), (227, 84140), (454, 42070), (601, 31780), (908, 21035), (1135, 16828), (1202, 15890), (1589, 12020), (2270, 8414), (2404, 7945), (3005, 6356), (3178, 6010), (4207, 4540)]