18181150

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:445

約数の個数: 48

約数和(自身を含む): 36966384

約数和(自身を除く): 18785234

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 83, 130, 166, 325, 337, 415, 650, 674, 830, 1079, 1685, 2075, 2158, 3370, 4150, 4381, 5395, 8425, 8762, 10790, 16850, 21905, 26975, 27971, 43810, 53950, 55942, 109525, 139855, 219050, 279710, 363623, 699275, 727246, 1398550, 1818115, 3636230, 9090575, 18181150]

約数ペア:

[(1, 18181150), (2, 9090575), (5, 3636230), (10, 1818115), (13, 1398550), (25, 727246), (26, 699275), (50, 363623), (65, 279710), (83, 219050), (130, 139855), (166, 109525), (325, 55942), (337, 53950), (415, 43810), (650, 27971), (674, 26975), (830, 21905), (1079, 16850), (1685, 10790), (2075, 8762), (2158, 8425), (3370, 5395), (4150, 4381)]