20180219516

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{5821}}^1\times {\mathrm{21139}}^1$

素因数の和:27005

約数の個数: 24

約数和(自身を含む): 36184661520

約数和(自身を除く): 16004442004

約数列:

[1, 2, 4, 41, 82, 164, 5821, 11642, 21139, 23284, 42278, 84556, 238661, 477322, 866699, 954644, 1733398, 3466796, 123050119, 246100238, 492200476, 5045054879, 10090109758, 20180219516]

約数ペア:

[(1, 20180219516), (2, 10090109758), (4, 5045054879), (41, 492200476), (82, 246100238), (164, 123050119), (5821, 3466796), (11642, 1733398), (21139, 954644), (23284, 866699), (42278, 477322), (84556, 238661)]