18250340

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{10253}}^1$

素因数の和:10351

約数の個数: 24

約数和(自身を含む): 38760120

約数和(自身を除く): 20509780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 10253, 20506, 41012, 51265, 102530, 205060, 912517, 1825034, 3650068, 4562585, 9125170, 18250340]

約数ペア:

[(1, 18250340), (2, 9125170), (4, 4562585), (5, 3650068), (10, 1825034), (20, 912517), (89, 205060), (178, 102530), (356, 51265), (445, 41012), (890, 20506), (1780, 10253)]