19484020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{23761}}^1$

素因数の和:23811

約数の個数: 24

約数和(自身を含む): 41916168

約数和(自身を除く): 22432148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 23761, 47522, 95044, 118805, 237610, 475220, 974201, 1948402, 3896804, 4871005, 9742010, 19484020]

約数ペア:

[(1, 19484020), (2, 9742010), (4, 4871005), (5, 3896804), (10, 1948402), (20, 974201), (41, 475220), (82, 237610), (164, 118805), (205, 95044), (410, 47522), (820, 23761)]