18664338

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{569}}^1$

素因数の和:663

約数の個数: 64

約数和(自身を含む): 47278080

約数和(自身を除く): 28613742

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 142, 154, 213, 231, 426, 462, 497, 569, 781, 994, 1138, 1491, 1562, 1707, 2343, 2982, 3414, 3983, 4686, 5467, 6259, 7966, 10934, 11949, 12518, 16401, 18777, 23898, 32802, 37554, 40399, 43813, 80798, 87626, 121197, 131439, 242394, 262878, 282793, 444389, 565586, 848379, 888778, 1333167, 1696758, 2666334, 3110723, 6221446, 9332169, 18664338]

約数ペア:

[(1, 18664338), (2, 9332169), (3, 6221446), (6, 3110723), (7, 2666334), (11, 1696758), (14, 1333167), (21, 888778), (22, 848379), (33, 565586), (42, 444389), (66, 282793), (71, 262878), (77, 242394), (142, 131439), (154, 121197), (213, 87626), (231, 80798), (426, 43813), (462, 40399), (497, 37554), (569, 32802), (781, 23898), (994, 18777), (1138, 16401), (1491, 12518), (1562, 11949), (1707, 10934), (2343, 7966), (2982, 6259), (3414, 5467), (3983, 4686)]