19291554

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 45158400

約数和(自身を除く): 25866846

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 97, 127, 174, 194, 254, 261, 291, 381, 522, 582, 762, 783, 873, 1143, 1566, 1746, 2286, 2619, 2813, 3429, 3683, 5238, 5626, 6858, 7366, 8439, 11049, 12319, 16878, 22098, 24638, 25317, 33147, 36957, 50634, 66294, 73914, 75951, 99441, 110871, 151902, 198882, 221742, 332613, 357251, 665226, 714502, 1071753, 2143506, 3215259, 6430518, 9645777, 19291554]

約数ペア:

[(1, 19291554), (2, 9645777), (3, 6430518), (6, 3215259), (9, 2143506), (18, 1071753), (27, 714502), (29, 665226), (54, 357251), (58, 332613), (87, 221742), (97, 198882), (127, 151902), (174, 110871), (194, 99441), (254, 75951), (261, 73914), (291, 66294), (381, 50634), (522, 36957), (582, 33147), (762, 25317), (783, 24638), (873, 22098), (1143, 16878), (1566, 12319), (1746, 11049), (2286, 8439), (2619, 7366), (2813, 6858), (3429, 5626), (3683, 5238)]