19510374

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:373

約数の個数: 48

約数和(自身を含む): 43006464

約数和(自身を除く): 23496090

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 169, 213, 271, 338, 426, 507, 542, 813, 923, 1014, 1626, 1846, 2769, 3523, 5538, 7046, 10569, 11999, 19241, 21138, 23998, 35997, 38482, 45799, 57723, 71994, 91598, 115446, 137397, 250133, 274794, 500266, 750399, 1500798, 3251729, 6503458, 9755187, 19510374]

約数ペア:

[(1, 19510374), (2, 9755187), (3, 6503458), (6, 3251729), (13, 1500798), (26, 750399), (39, 500266), (71, 274794), (78, 250133), (142, 137397), (169, 115446), (213, 91598), (271, 71994), (338, 57723), (426, 45799), (507, 38482), (542, 35997), (813, 23998), (923, 21138), (1014, 19241), (1626, 11999), (1846, 10569), (2769, 7046), (3523, 5538)]