19814538

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{193}}^1\times {\mathrm{241}}^1$

素因数の和:510

約数の個数: 32

約数和(自身を含む): 40563072

約数和(自身を除く): 20748534

約数列:

[1, 2, 3, 6, 71, 142, 193, 213, 241, 386, 426, 482, 579, 723, 1158, 1446, 13703, 17111, 27406, 34222, 41109, 46513, 51333, 82218, 93026, 102666, 139539, 279078, 3302423, 6604846, 9907269, 19814538]

約数ペア:

[(1, 19814538), (2, 9907269), (3, 6604846), (6, 3302423), (71, 279078), (142, 139539), (193, 102666), (213, 93026), (241, 82218), (386, 51333), (426, 46513), (482, 41109), (579, 34222), (723, 27406), (1158, 17111), (1446, 13703)]