1919792

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:357

約数の個数: 40

約数和(自身を含む): 4336032

約数和(自身を除く): 2416240

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 112, 122, 244, 281, 427, 488, 562, 854, 976, 1124, 1708, 1967, 2248, 3416, 3934, 4496, 6832, 7868, 15736, 17141, 31472, 34282, 68564, 119987, 137128, 239974, 274256, 479948, 959896, 1919792]

約数ペア:

[(1, 1919792), (2, 959896), (4, 479948), (7, 274256), (8, 239974), (14, 137128), (16, 119987), (28, 68564), (56, 34282), (61, 31472), (112, 17141), (122, 15736), (244, 7868), (281, 6832), (427, 4496), (488, 3934), (562, 3416), (854, 2248), (976, 1967), (1124, 1708)]