18487938

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{11897}}^1$

素因数の和:11946

約数の個数: 32

約数和(自身を含む): 43403904

約数和(自身を除く): 24915966

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 11897, 23794, 35691, 71382, 83279, 166558, 249837, 440189, 499674, 880378, 1320567, 2641134, 3081323, 6162646, 9243969, 18487938]

約数ペア:

[(1, 18487938), (2, 9243969), (3, 6162646), (6, 3081323), (7, 2641134), (14, 1320567), (21, 880378), (37, 499674), (42, 440189), (74, 249837), (111, 166558), (222, 83279), (259, 71382), (518, 35691), (777, 23794), (1554, 11897)]