18148078

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2212

約数の個数: 32

約数和(自身を含む): 32689440

約数和(自身を除く): 14541362

約数列:

[1, 2, 13, 17, 19, 26, 34, 38, 221, 247, 323, 442, 494, 646, 2161, 4199, 4322, 8398, 28093, 36737, 41059, 56186, 73474, 82118, 477581, 533767, 698003, 955162, 1067534, 1396006, 9074039, 18148078]

約数ペア:

[(1, 18148078), (2, 9074039), (13, 1396006), (17, 1067534), (19, 955162), (26, 698003), (34, 533767), (38, 477581), (221, 82118), (247, 73474), (323, 56186), (442, 41059), (494, 36737), (646, 28093), (2161, 8398), (4199, 4322)]