19421290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:223

約数の個数: 64

約数和(自身を含む): 41948928

約数和(自身を除く): 22527638

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 67, 70, 82, 101, 134, 202, 205, 287, 335, 410, 469, 505, 574, 670, 707, 938, 1010, 1414, 1435, 2345, 2747, 2870, 3535, 4141, 4690, 5494, 6767, 7070, 8282, 13534, 13735, 19229, 20705, 27470, 28987, 33835, 38458, 41410, 47369, 57974, 67670, 94738, 96145, 144935, 192290, 236845, 277447, 289870, 473690, 554894, 1387235, 1942129, 2774470, 3884258, 9710645, 19421290]

約数ペア:

[(1, 19421290), (2, 9710645), (5, 3884258), (7, 2774470), (10, 1942129), (14, 1387235), (35, 554894), (41, 473690), (67, 289870), (70, 277447), (82, 236845), (101, 192290), (134, 144935), (202, 96145), (205, 94738), (287, 67670), (335, 57974), (410, 47369), (469, 41410), (505, 38458), (574, 33835), (670, 28987), (707, 27470), (938, 20705), (1010, 19229), (1414, 13735), (1435, 13534), (2345, 8282), (2747, 7070), (2870, 6767), (3535, 5494), (4141, 4690)]