19867716

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{4561}}^1$

素因数の和:4593

約数の個数: 54

約数和(自身を含む): 55213886

約数和(自身を除く): 35346170

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 66, 99, 121, 132, 198, 242, 363, 396, 484, 726, 1089, 1452, 2178, 4356, 4561, 9122, 13683, 18244, 27366, 41049, 50171, 54732, 82098, 100342, 150513, 164196, 200684, 301026, 451539, 551881, 602052, 903078, 1103762, 1655643, 1806156, 2207524, 3311286, 4966929, 6622572, 9933858, 19867716]

約数ペア:

[(1, 19867716), (2, 9933858), (3, 6622572), (4, 4966929), (6, 3311286), (9, 2207524), (11, 1806156), (12, 1655643), (18, 1103762), (22, 903078), (33, 602052), (36, 551881), (44, 451539), (66, 301026), (99, 200684), (121, 164196), (132, 150513), (198, 100342), (242, 82098), (363, 54732), (396, 50171), (484, 41049), (726, 27366), (1089, 18244), (1452, 13683), (2178, 9122), (4356, 4561)]