19645385757

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{359}}^1\times {\mathrm{2381}}^1$

素因数の和:2953

約数の個数: 32

約数和(自身を含む): 27001589760

約数和(自身を除く): 7356204003

約数列:

[1, 3, 47, 141, 163, 359, 489, 1077, 2381, 7143, 7661, 16873, 22983, 50619, 58517, 111907, 175551, 335721, 388103, 854779, 1164309, 2564337, 2750299, 8250897, 18240841, 40174613, 54722523, 120523839, 139328977, 417986931, 6548461919, 19645385757]

約数ペア:

[(1, 19645385757), (3, 6548461919), (47, 417986931), (141, 139328977), (163, 120523839), (359, 54722523), (489, 40174613), (1077, 18240841), (2381, 8250897), (7143, 2750299), (7661, 2564337), (16873, 1164309), (22983, 854779), (50619, 388103), (58517, 335721), (111907, 175551)]