19728846

素因数分解:

$2^1\times 3^4\times {\mathrm{193}}^1\times {\mathrm{631}}^1$

素因数の和:838

約数の個数: 40

約数和(自身を含む): 44506704

約数和(自身を除く): 24777858

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 193, 386, 579, 631, 1158, 1262, 1737, 1893, 3474, 3786, 5211, 5679, 10422, 11358, 15633, 17037, 31266, 34074, 51111, 102222, 121783, 243566, 365349, 730698, 1096047, 2192094, 3288141, 6576282, 9864423, 19728846]

約数ペア:

[(1, 19728846), (2, 9864423), (3, 6576282), (6, 3288141), (9, 2192094), (18, 1096047), (27, 730698), (54, 365349), (81, 243566), (162, 121783), (193, 102222), (386, 51111), (579, 34074), (631, 31266), (1158, 17037), (1262, 15633), (1737, 11358), (1893, 10422), (3474, 5679), (3786, 5211)]