18823804

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{839}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 33868800

約数和(自身を除く): 15044996

約数列:

[1, 2, 4, 71, 79, 142, 158, 284, 316, 839, 1678, 3356, 5609, 11218, 22436, 59569, 66281, 119138, 132562, 238276, 265124, 4705951, 9411902, 18823804]

約数ペア:

[(1, 18823804), (2, 9411902), (4, 4705951), (71, 265124), (79, 238276), (142, 132562), (158, 119138), (284, 66281), (316, 59569), (839, 22436), (1678, 11218), (3356, 5609)]