18610040

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{4517}}^1$

素因数の和:4631

約数の個数: 32

約数和(自身を含む): 42288480

約数和(自身を除く): 23678440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 4517, 9034, 18068, 22585, 36136, 45170, 90340, 180680, 465251, 930502, 1861004, 2326255, 3722008, 4652510, 9305020, 18610040]

約数ペア:

[(1, 18610040), (2, 9305020), (4, 4652510), (5, 3722008), (8, 2326255), (10, 1861004), (20, 930502), (40, 465251), (103, 180680), (206, 90340), (412, 45170), (515, 36136), (824, 22585), (1030, 18068), (2060, 9034), (4120, 4517)]