19996018

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{10739}}^1$

素因数の和:10774

約数の個数: 24

約数和(自身を含む): 36730800

約数和(自身を除く): 16734782

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 266, 931, 1862, 10739, 21478, 75173, 150346, 204041, 408082, 526211, 1052422, 1428287, 2856574, 9998009, 19996018]

約数ペア:

[(1, 19996018), (2, 9998009), (7, 2856574), (14, 1428287), (19, 1052422), (38, 526211), (49, 408082), (98, 204041), (133, 150346), (266, 75173), (931, 21478), (1862, 10739)]