18781230

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48157}}^1$

素因数の和:48180

約数の個数: 32

約数和(自身を含む): 48543264

約数和(自身を除く): 29762034

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48157, 96314, 144471, 240785, 288942, 481570, 626041, 722355, 1252082, 1444710, 1878123, 3130205, 3756246, 6260410, 9390615, 18781230]

約数ペア:

[(1, 18781230), (2, 9390615), (3, 6260410), (5, 3756246), (6, 3130205), (10, 1878123), (13, 1444710), (15, 1252082), (26, 722355), (30, 626041), (39, 481570), (65, 288942), (78, 240785), (130, 144471), (195, 96314), (390, 48157)]