18568820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{1091}}^1$

素因数の和:1160

約数の個数: 48

約数和(自身を含む): 41827968

約数和(自身を除く): 23259148

約数列:

[1, 2, 4, 5, 10, 20, 23, 37, 46, 74, 92, 115, 148, 185, 230, 370, 460, 740, 851, 1091, 1702, 2182, 3404, 4255, 4364, 5455, 8510, 10910, 17020, 21820, 25093, 40367, 50186, 80734, 100372, 125465, 161468, 201835, 250930, 403670, 501860, 807340, 928441, 1856882, 3713764, 4642205, 9284410, 18568820]

約数ペア:

[(1, 18568820), (2, 9284410), (4, 4642205), (5, 3713764), (10, 1856882), (20, 928441), (23, 807340), (37, 501860), (46, 403670), (74, 250930), (92, 201835), (115, 161468), (148, 125465), (185, 100372), (230, 80734), (370, 50186), (460, 40367), (740, 25093), (851, 21820), (1091, 17020), (1702, 10910), (2182, 8510), (3404, 5455), (4255, 4364)]