18112220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2441}}^1$

素因数の和:2510

約数の個数: 48

約数和(自身を含む): 44307648

約数和(自身を除く): 26195428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 2441, 3710, 4882, 7420, 9764, 12205, 17087, 24410, 34174, 48820, 68348, 85435, 129373, 170870, 258746, 341740, 517492, 646865, 905611, 1293730, 1811222, 2587460, 3622444, 4528055, 9056110, 18112220]

約数ペア:

[(1, 18112220), (2, 9056110), (4, 4528055), (5, 3622444), (7, 2587460), (10, 1811222), (14, 1293730), (20, 905611), (28, 646865), (35, 517492), (53, 341740), (70, 258746), (106, 170870), (140, 129373), (212, 85435), (265, 68348), (371, 48820), (530, 34174), (742, 24410), (1060, 17087), (1484, 12205), (1855, 9764), (2441, 7420), (3710, 4882)]