19840974

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1451}}^1$

素因数の和:1552

約数の個数: 32

約数和(自身を含む): 41399424

約数和(自身を除く): 21558450

約数列:

[1, 2, 3, 6, 43, 53, 86, 106, 129, 159, 258, 318, 1451, 2279, 2902, 4353, 4558, 6837, 8706, 13674, 62393, 76903, 124786, 153806, 187179, 230709, 374358, 461418, 3306829, 6613658, 9920487, 19840974]

約数ペア:

[(1, 19840974), (2, 9920487), (3, 6613658), (6, 3306829), (43, 461418), (53, 374358), (86, 230709), (106, 187179), (129, 153806), (159, 124786), (258, 76903), (318, 62393), (1451, 13674), (2279, 8706), (2902, 6837), (4353, 4558)]