19655367318

素因数分解:

$2^1\times 3^2\times {\mathrm{311}}^1\times {\mathrm{491}}^1\times {\mathrm{7151}}^1$

素因数の和:7961

約数の個数: 48

約数和(自身を含む): 42816563712

約数和(自身を除く): 23161196394

約数列:

[1, 2, 3, 6, 9, 18, 311, 491, 622, 933, 982, 1473, 1866, 2799, 2946, 4419, 5598, 7151, 8838, 14302, 21453, 42906, 64359, 128718, 152701, 305402, 458103, 916206, 1374309, 2223961, 2748618, 3511141, 4447922, 6671883, 7022282, 10533423, 13343766, 20015649, 21066846, 31600269, 40031298, 63200538, 1091964851, 2183929702, 3275894553, 6551789106, 9827683659, 19655367318]

約数ペア:

[(1, 19655367318), (2, 9827683659), (3, 6551789106), (6, 3275894553), (9, 2183929702), (18, 1091964851), (311, 63200538), (491, 40031298), (622, 31600269), (933, 21066846), (982, 20015649), (1473, 13343766), (1866, 10533423), (2799, 7022282), (2946, 6671883), (4419, 4447922), (5598, 3511141), (7151, 2748618), (8838, 2223961), (14302, 1374309), (21453, 916206), (42906, 458103), (64359, 305402), (128718, 152701)]