19723326

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 47106048

約数和(自身を除く): 27382722

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 43, 67, 86, 129, 134, 163, 201, 258, 301, 326, 402, 469, 489, 602, 903, 938, 978, 1141, 1407, 1806, 2282, 2814, 2881, 3423, 5762, 6846, 7009, 8643, 10921, 14018, 17286, 20167, 21027, 21842, 32763, 40334, 42054, 49063, 60501, 65526, 76447, 98126, 121002, 147189, 152894, 229341, 294378, 458682, 469603, 939206, 1408809, 2817618, 3287221, 6574442, 9861663, 19723326]

約数ペア:

[(1, 19723326), (2, 9861663), (3, 6574442), (6, 3287221), (7, 2817618), (14, 1408809), (21, 939206), (42, 469603), (43, 458682), (67, 294378), (86, 229341), (129, 152894), (134, 147189), (163, 121002), (201, 98126), (258, 76447), (301, 65526), (326, 60501), (402, 49063), (469, 42054), (489, 40334), (602, 32763), (903, 21842), (938, 21027), (978, 20167), (1141, 17286), (1407, 14018), (1806, 10921), (2282, 8643), (2814, 7009), (2881, 6846), (3423, 5762)]