18000774

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{397}}^1$

素因数の和:645

約数の個数: 48

約数和(自身を含む): 42840720

約数和(自身を除く): 24839946

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 198, 229, 397, 458, 687, 794, 1191, 1374, 2061, 2382, 2519, 3573, 4122, 4367, 5038, 7146, 7557, 8734, 13101, 15114, 22671, 26202, 39303, 45342, 78606, 90913, 181826, 272739, 545478, 818217, 1000043, 1636434, 2000086, 3000129, 6000258, 9000387, 18000774]

約数ペア:

[(1, 18000774), (2, 9000387), (3, 6000258), (6, 3000129), (9, 2000086), (11, 1636434), (18, 1000043), (22, 818217), (33, 545478), (66, 272739), (99, 181826), (198, 90913), (229, 78606), (397, 45342), (458, 39303), (687, 26202), (794, 22671), (1191, 15114), (1374, 13101), (2061, 8734), (2382, 7557), (2519, 7146), (3573, 5038), (4122, 4367)]