19495404

素因数分解:

$2^2\times 3^5\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:697

約数の個数: 72

約数和(自身を含む): 52835328

約数和(自身を除く): 33339924

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 31, 36, 54, 62, 81, 93, 108, 124, 162, 186, 243, 279, 324, 372, 486, 558, 647, 837, 972, 1116, 1294, 1674, 1941, 2511, 2588, 3348, 3882, 5022, 5823, 7533, 7764, 10044, 11646, 15066, 17469, 20057, 23292, 30132, 34938, 40114, 52407, 60171, 69876, 80228, 104814, 120342, 157221, 180513, 209628, 240684, 314442, 361026, 541539, 628884, 722052, 1083078, 1624617, 2166156, 3249234, 4873851, 6498468, 9747702, 19495404]

約数ペア:

[(1, 19495404), (2, 9747702), (3, 6498468), (4, 4873851), (6, 3249234), (9, 2166156), (12, 1624617), (18, 1083078), (27, 722052), (31, 628884), (36, 541539), (54, 361026), (62, 314442), (81, 240684), (93, 209628), (108, 180513), (124, 157221), (162, 120342), (186, 104814), (243, 80228), (279, 69876), (324, 60171), (372, 52407), (486, 40114), (558, 34938), (647, 30132), (837, 23292), (972, 20057), (1116, 17469), (1294, 15066), (1674, 11646), (1941, 10044), (2511, 7764), (2588, 7533), (3348, 5823), (3882, 5022)]