19442673

素因数分解:

$3^5\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:164

約数の個数: 48

約数和(自身を含む): 31449600

約数和(自身を除く): 12006927

約数列:

[1, 3, 9, 27, 29, 31, 81, 87, 89, 93, 243, 261, 267, 279, 783, 801, 837, 899, 2349, 2403, 2511, 2581, 2697, 2759, 7047, 7209, 7533, 7743, 8091, 8277, 21627, 23229, 24273, 24831, 69687, 72819, 74493, 80011, 209061, 218457, 223479, 240033, 627183, 670437, 720099, 2160297, 6480891, 19442673]

約数ペア:

[(1, 19442673), (3, 6480891), (9, 2160297), (27, 720099), (29, 670437), (31, 627183), (81, 240033), (87, 223479), (89, 218457), (93, 209061), (243, 80011), (261, 74493), (267, 72819), (279, 69687), (783, 24831), (801, 24273), (837, 23229), (899, 21627), (2349, 8277), (2403, 8091), (2511, 7743), (2581, 7533), (2697, 7209), (2759, 7047)]