19992906

素因数分解:

$2^1\times 3^4\times {\mathrm{167}}^1\times {\mathrm{739}}^1$

素因数の和:920

約数の個数: 40

約数和(自身を含む): 45128160

約数和(自身を除く): 25135254

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 167, 334, 501, 739, 1002, 1478, 1503, 2217, 3006, 4434, 4509, 6651, 9018, 13302, 13527, 19953, 27054, 39906, 59859, 119718, 123413, 246826, 370239, 740478, 1110717, 2221434, 3332151, 6664302, 9996453, 19992906]

約数ペア:

[(1, 19992906), (2, 9996453), (3, 6664302), (6, 3332151), (9, 2221434), (18, 1110717), (27, 740478), (54, 370239), (81, 246826), (162, 123413), (167, 119718), (334, 59859), (501, 39906), (739, 27054), (1002, 19953), (1478, 13527), (1503, 13302), (2217, 9018), (3006, 6651), (4434, 4509)]