18712330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{20563}}^1$

素因数の和:20590

約数の個数: 32

約数和(自身を含む): 41457024

約数和(自身を除く): 22744694

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 910, 20563, 41126, 102815, 143941, 205630, 267319, 287882, 534638, 719705, 1336595, 1439410, 1871233, 2673190, 3742466, 9356165, 18712330]

約数ペア:

[(1, 18712330), (2, 9356165), (5, 3742466), (7, 2673190), (10, 1871233), (13, 1439410), (14, 1336595), (26, 719705), (35, 534638), (65, 287882), (70, 267319), (91, 205630), (130, 143941), (182, 102815), (455, 41126), (910, 20563)]