18686824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{3823}}^1$

素因数の和:3889

約数の個数: 32

約数和(自身を含む): 38545920

約数和(自身を除く): 19859096

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 611, 1222, 2444, 3823, 4888, 7646, 15292, 30584, 49699, 99398, 179681, 198796, 359362, 397592, 718724, 1437448, 2335853, 4671706, 9343412, 18686824]

約数ペア:

[(1, 18686824), (2, 9343412), (4, 4671706), (8, 2335853), (13, 1437448), (26, 718724), (47, 397592), (52, 359362), (94, 198796), (104, 179681), (188, 99398), (376, 49699), (611, 30584), (1222, 15292), (2444, 7646), (3823, 4888)]