18970372

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{883}}^1$

素因数の和:1059

約数の個数: 24

約数和(自身を含む): 34306272

約数和(自身を除く): 15335900

約数列:

[1, 2, 4, 41, 82, 131, 164, 262, 524, 883, 1766, 3532, 5371, 10742, 21484, 36203, 72406, 115673, 144812, 231346, 462692, 4742593, 9485186, 18970372]

約数ペア:

[(1, 18970372), (2, 9485186), (4, 4742593), (41, 462692), (82, 231346), (131, 144812), (164, 115673), (262, 72406), (524, 36203), (883, 21484), (1766, 10742), (3532, 5371)]