19985224

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2137}}^1$

素因数の和:2317

約数の個数: 32

約数和(自身を含む): 43102080

約数和(自身を除く): 23116856

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2137, 2338, 4274, 4676, 8548, 9352, 14959, 17096, 29918, 59836, 119672, 356879, 713758, 1427516, 2498153, 2855032, 4996306, 9992612, 19985224]

約数ペア:

[(1, 19985224), (2, 9992612), (4, 4996306), (7, 2855032), (8, 2498153), (14, 1427516), (28, 713758), (56, 356879), (167, 119672), (334, 59836), (668, 29918), (1169, 17096), (1336, 14959), (2137, 9352), (2338, 8548), (4274, 4676)]