18131018

素因数分解:

$2^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{457}}^1$

素因数の和:781

約数の個数: 16

約数和(自身を含む): 27699840

約数和(自身を除く): 9568822

約数列:

[1, 2, 83, 166, 239, 457, 478, 914, 19837, 37931, 39674, 75862, 109223, 218446, 9065509, 18131018]

約数ペア:

[(1, 18131018), (2, 9065509), (83, 218446), (166, 109223), (239, 75862), (457, 39674), (478, 37931), (914, 19837)]