18618008188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{709}}^1\times {\mathrm{504991}}^1$

素因数の和:505717

約数の個数: 24

約数和(自身を含む): 35137343360

約数和(自身を除く): 16519335172

約数列:

[1, 2, 4, 13, 26, 52, 709, 1418, 2836, 9217, 18434, 36868, 504991, 1009982, 2019964, 6564883, 13129766, 26259532, 358038619, 716077238, 1432154476, 4654502047, 9309004094, 18618008188]

約数ペア:

[(1, 18618008188), (2, 9309004094), (4, 4654502047), (13, 1432154476), (26, 716077238), (52, 358038619), (709, 26259532), (1418, 13129766), (2836, 6564883), (9217, 2019964), (18434, 1009982), (36868, 504991)]