18866804

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{2293}}^1$

素因数の和:2336

約数の個数: 36

約数和(自身を含む): 38442852

約数和(自身を除く): 19576048

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 121, 187, 242, 374, 484, 748, 2057, 2293, 4114, 4586, 8228, 9172, 25223, 38981, 50446, 77962, 100892, 155924, 277453, 428791, 554906, 857582, 1109812, 1715164, 4716701, 9433402, 18866804]

約数ペア:

[(1, 18866804), (2, 9433402), (4, 4716701), (11, 1715164), (17, 1109812), (22, 857582), (34, 554906), (44, 428791), (68, 277453), (121, 155924), (187, 100892), (242, 77962), (374, 50446), (484, 38981), (748, 25223), (2057, 9172), (2293, 8228), (4114, 4586)]