20181738332

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{124853}}^1$

素因数の和:125138

約数の個数: 48

約数和(自身を含む): 42286551552

約数和(自身を除く): 22104813220

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 251, 322, 502, 644, 1004, 1757, 3514, 5773, 7028, 11546, 23092, 40411, 80822, 124853, 161644, 249706, 499412, 873971, 1747942, 2871619, 3495884, 5743238, 11486476, 20101333, 31338103, 40202666, 62676206, 80405332, 125352412, 219366721, 438733442, 720776369, 877466884, 1441552738, 2883105476, 5045434583, 10090869166, 20181738332]

約数ペア:

[(1, 20181738332), (2, 10090869166), (4, 5045434583), (7, 2883105476), (14, 1441552738), (23, 877466884), (28, 720776369), (46, 438733442), (92, 219366721), (161, 125352412), (251, 80405332), (322, 62676206), (502, 40202666), (644, 31338103), (1004, 20101333), (1757, 11486476), (3514, 5743238), (5773, 3495884), (7028, 2871619), (11546, 1747942), (23092, 873971), (40411, 499412), (80822, 249706), (124853, 161644)]