19885096

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1699}}^1$

素因数の和:1742

約数の個数: 64

約数和(自身を含む): 48960000

約数和(自身を除く): 29074904

約数列:

[1, 2, 4, 7, 8, 11, 14, 19, 22, 28, 38, 44, 56, 76, 77, 88, 133, 152, 154, 209, 266, 308, 418, 532, 616, 836, 1064, 1463, 1672, 1699, 2926, 3398, 5852, 6796, 11704, 11893, 13592, 18689, 23786, 32281, 37378, 47572, 64562, 74756, 95144, 129124, 130823, 149512, 225967, 258248, 261646, 355091, 451934, 523292, 710182, 903868, 1046584, 1420364, 1807736, 2485637, 2840728, 4971274, 9942548, 19885096]

約数ペア:

[(1, 19885096), (2, 9942548), (4, 4971274), (7, 2840728), (8, 2485637), (11, 1807736), (14, 1420364), (19, 1046584), (22, 903868), (28, 710182), (38, 523292), (44, 451934), (56, 355091), (76, 261646), (77, 258248), (88, 225967), (133, 149512), (152, 130823), (154, 129124), (209, 95144), (266, 74756), (308, 64562), (418, 47572), (532, 37378), (616, 32281), (836, 23786), (1064, 18689), (1463, 13592), (1672, 11893), (1699, 11704), (2926, 6796), (3398, 5852)]