19996344

素因数分解:

$2^3\times 3^2\times {\mathrm{193}}^1\times {\mathrm{1439}}^1$

素因数の和:1644

約数の個数: 48

約数和(自身を含む): 54475200

約数和(自身を除く): 34478856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 193, 386, 579, 772, 1158, 1439, 1544, 1737, 2316, 2878, 3474, 4317, 4632, 5756, 6948, 8634, 11512, 12951, 13896, 17268, 25902, 34536, 51804, 103608, 277727, 555454, 833181, 1110908, 1666362, 2221816, 2499543, 3332724, 4999086, 6665448, 9998172, 19996344]

約数ペア:

[(1, 19996344), (2, 9998172), (3, 6665448), (4, 4999086), (6, 3332724), (8, 2499543), (9, 2221816), (12, 1666362), (18, 1110908), (24, 833181), (36, 555454), (72, 277727), (193, 103608), (386, 51804), (579, 34536), (772, 25902), (1158, 17268), (1439, 13896), (1544, 12951), (1737, 11512), (2316, 8634), (2878, 6948), (3474, 5756), (4317, 4632)]