19481140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{613}}^1$

素因数の和:856

約数の個数: 48

約数和(自身を含む): 47037312

約数和(自身を除く): 27556172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 227, 454, 613, 908, 1135, 1226, 1589, 2270, 2452, 3065, 3178, 4291, 4540, 6130, 6356, 7945, 8582, 12260, 15890, 17164, 21455, 31780, 42910, 85820, 139151, 278302, 556604, 695755, 974057, 1391510, 1948114, 2783020, 3896228, 4870285, 9740570, 19481140]

約数ペア:

[(1, 19481140), (2, 9740570), (4, 4870285), (5, 3896228), (7, 2783020), (10, 1948114), (14, 1391510), (20, 974057), (28, 695755), (35, 556604), (70, 278302), (140, 139151), (227, 85820), (454, 42910), (613, 31780), (908, 21455), (1135, 17164), (1226, 15890), (1589, 12260), (2270, 8582), (2452, 7945), (3065, 6356), (3178, 6130), (4291, 4540)]