18312990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{7727}}^1$

素因数の和:7816

約数の個数: 32

約数和(自身を含む): 44513280

約数和(自身を除く): 26200290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 79, 158, 237, 395, 474, 790, 1185, 2370, 7727, 15454, 23181, 38635, 46362, 77270, 115905, 231810, 610433, 1220866, 1831299, 3052165, 3662598, 6104330, 9156495, 18312990]

約数ペア:

[(1, 18312990), (2, 9156495), (3, 6104330), (5, 3662598), (6, 3052165), (10, 1831299), (15, 1220866), (30, 610433), (79, 231810), (158, 115905), (237, 77270), (395, 46362), (474, 38635), (790, 23181), (1185, 15454), (2370, 7727)]