18756914

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1951}}^1$

素因数の和:2006

約数の個数: 32

約数和(自身を含む): 33730560

約数和(自身を除く): 14973646

約数列:

[1, 2, 11, 19, 22, 23, 38, 46, 209, 253, 418, 437, 506, 874, 1951, 3902, 4807, 9614, 21461, 37069, 42922, 44873, 74138, 89746, 407759, 493603, 815518, 852587, 987206, 1705174, 9378457, 18756914]

約数ペア:

[(1, 18756914), (2, 9378457), (11, 1705174), (19, 987206), (22, 852587), (23, 815518), (38, 493603), (46, 407759), (209, 89746), (253, 74138), (418, 44873), (437, 42922), (506, 37069), (874, 21461), (1951, 9614), (3902, 4807)]