18343075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{73}}^1$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 25371640

約数和(自身を除く): 7028565

約数列:

[1, 5, 19, 23, 25, 73, 95, 115, 365, 437, 475, 529, 575, 1387, 1679, 1825, 2185, 2645, 6935, 8395, 10051, 10925, 13225, 31901, 34675, 38617, 41975, 50255, 159505, 193085, 251275, 733723, 797525, 965425, 3668615, 18343075]

約数ペア:

[(1, 18343075), (5, 3668615), (19, 965425), (23, 797525), (25, 733723), (73, 251275), (95, 193085), (115, 159505), (365, 50255), (437, 41975), (475, 38617), (529, 34675), (575, 31901), (1387, 13225), (1679, 10925), (1825, 10051), (2185, 8395), (2645, 6935)]