18947138

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{293}}^1$

素因数の和:482

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 14921662

約数列:

[1, 2, 7, 14, 31, 62, 149, 217, 293, 298, 434, 586, 1043, 2051, 2086, 4102, 4619, 9083, 9238, 18166, 32333, 43657, 63581, 64666, 87314, 127162, 305599, 611198, 1353367, 2706734, 9473569, 18947138]

約数ペア:

[(1, 18947138), (2, 9473569), (7, 2706734), (14, 1353367), (31, 611198), (62, 305599), (149, 127162), (217, 87314), (293, 64666), (298, 63581), (434, 43657), (586, 32333), (1043, 18166), (2051, 9238), (2086, 9083), (4102, 4619)]