18442760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{65867}}^1$

素因数の和:65885

約数の個数: 32

約数和(自身を含む): 47424960

約数和(自身を除く): 28982200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 65867, 131734, 263468, 329335, 461069, 526936, 658670, 922138, 1317340, 1844276, 2305345, 2634680, 3688552, 4610690, 9221380, 18442760]

約数ペア:

[(1, 18442760), (2, 9221380), (4, 4610690), (5, 3688552), (7, 2634680), (8, 2305345), (10, 1844276), (14, 1317340), (20, 922138), (28, 658670), (35, 526936), (40, 461069), (56, 329335), (70, 263468), (140, 131734), (280, 65867)]