18044380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{587}}^1$

素因数の和:678

約数の個数: 48

約数和(自身を含む): 40007520

約数和(自身を除く): 21963140

約数列:

[1, 2, 4, 5, 10, 20, 29, 53, 58, 106, 116, 145, 212, 265, 290, 530, 580, 587, 1060, 1174, 1537, 2348, 2935, 3074, 5870, 6148, 7685, 11740, 15370, 17023, 30740, 31111, 34046, 62222, 68092, 85115, 124444, 155555, 170230, 311110, 340460, 622220, 902219, 1804438, 3608876, 4511095, 9022190, 18044380]

約数ペア:

[(1, 18044380), (2, 9022190), (4, 4511095), (5, 3608876), (10, 1804438), (20, 902219), (29, 622220), (53, 340460), (58, 311110), (106, 170230), (116, 155555), (145, 124444), (212, 85115), (265, 68092), (290, 62222), (530, 34046), (580, 31111), (587, 30740), (1060, 17023), (1174, 15370), (1537, 11740), (2348, 7685), (2935, 6148), (3074, 5870)]