19725664

素因数分解:

$2^5\times 7^1\times {\mathrm{107}}^1\times {\mathrm{823}}^1$

素因数の和:947

約数の個数: 48

約数和(自身を含む): 44851968

約数和(自身を除く): 25126304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 107, 112, 214, 224, 428, 749, 823, 856, 1498, 1646, 1712, 2996, 3292, 3424, 5761, 5992, 6584, 11522, 11984, 13168, 23044, 23968, 26336, 46088, 88061, 92176, 176122, 184352, 352244, 616427, 704488, 1232854, 1408976, 2465708, 2817952, 4931416, 9862832, 19725664]

約数ペア:

[(1, 19725664), (2, 9862832), (4, 4931416), (7, 2817952), (8, 2465708), (14, 1408976), (16, 1232854), (28, 704488), (32, 616427), (56, 352244), (107, 184352), (112, 176122), (214, 92176), (224, 88061), (428, 46088), (749, 26336), (823, 23968), (856, 23044), (1498, 13168), (1646, 11984), (1712, 11522), (2996, 6584), (3292, 5992), (3424, 5761)]