19029736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:214

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 22027544

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 47, 86, 88, 94, 107, 172, 188, 214, 344, 376, 428, 473, 517, 856, 946, 1034, 1177, 1892, 2021, 2068, 2354, 3784, 4042, 4136, 4601, 4708, 5029, 8084, 9202, 9416, 10058, 16168, 18404, 20116, 22231, 36808, 40232, 44462, 50611, 55319, 88924, 101222, 110638, 177848, 202444, 216247, 221276, 404888, 432494, 442552, 864988, 1729976, 2378717, 4757434, 9514868, 19029736]

約数ペア:

[(1, 19029736), (2, 9514868), (4, 4757434), (8, 2378717), (11, 1729976), (22, 864988), (43, 442552), (44, 432494), (47, 404888), (86, 221276), (88, 216247), (94, 202444), (107, 177848), (172, 110638), (188, 101222), (214, 88924), (344, 55319), (376, 50611), (428, 44462), (473, 40232), (517, 36808), (856, 22231), (946, 20116), (1034, 18404), (1177, 16168), (1892, 10058), (2021, 9416), (2068, 9202), (2354, 8084), (3784, 5029), (4042, 4708), (4136, 4601)]