18781694192

素因数分解:

$2^4\times {\mathrm{17509}}^1\times {\mathrm{67043}}^1$

素因数の和:84560

約数の個数: 20

約数和(自身を含む): 36392153640

約数和(自身を除く): 17610459448

約数列:

[1, 2, 4, 8, 16, 17509, 35018, 67043, 70036, 134086, 140072, 268172, 280144, 536344, 1072688, 1173855887, 2347711774, 4695423548, 9390847096, 18781694192]

約数ペア:

[(1, 18781694192), (2, 9390847096), (4, 4695423548), (8, 2347711774), (16, 1173855887), (17509, 1072688), (35018, 536344), (67043, 280144), (70036, 268172), (134086, 140072)]