18409383

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 28339200

約数和(自身を除く): 9929817

約数列:

[1, 3, 9, 27, 47, 89, 141, 163, 267, 423, 489, 801, 1269, 1467, 2403, 4183, 4401, 7661, 12549, 14507, 22983, 37647, 43521, 68949, 112941, 130563, 206847, 391689, 681829, 2045487, 6136461, 18409383]

約数ペア:

[(1, 18409383), (3, 6136461), (9, 2045487), (27, 681829), (47, 391689), (89, 206847), (141, 130563), (163, 112941), (267, 68949), (423, 43521), (489, 37647), (801, 22983), (1269, 14507), (1467, 12549), (2403, 7661), (4183, 4401)]