18841784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{7877}}^1$

素因数の和:7919

約数の個数: 32

約数和(自身を含む): 39705120

約数和(自身を除く): 20863336

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 184, 299, 598, 1196, 2392, 7877, 15754, 31508, 63016, 102401, 181171, 204802, 362342, 409604, 724684, 819208, 1449368, 2355223, 4710446, 9420892, 18841784]

約数ペア:

[(1, 18841784), (2, 9420892), (4, 4710446), (8, 2355223), (13, 1449368), (23, 819208), (26, 724684), (46, 409604), (52, 362342), (92, 204802), (104, 181171), (184, 102401), (299, 63016), (598, 31508), (1196, 15754), (2392, 7877)]