18426824

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1087}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 37470720

約数和(自身を除く): 19043896

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 163, 326, 652, 1087, 1304, 2119, 2174, 4238, 4348, 8476, 8696, 14131, 16952, 28262, 56524, 113048, 177181, 354362, 708724, 1417448, 2303353, 4606706, 9213412, 18426824]

約数ペア:

[(1, 18426824), (2, 9213412), (4, 4606706), (8, 2303353), (13, 1417448), (26, 708724), (52, 354362), (104, 177181), (163, 113048), (326, 56524), (652, 28262), (1087, 16952), (1304, 14131), (2119, 8696), (2174, 8476), (4238, 4348)]