19338561

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:211

約数の個数: 64

約数和(自身を含む): 34560000

約数和(自身を除く): 15221439

約数列:

[1, 3, 9, 11, 19, 23, 27, 33, 57, 69, 99, 149, 171, 207, 209, 253, 297, 437, 447, 513, 621, 627, 759, 1311, 1341, 1639, 1881, 2277, 2831, 3427, 3933, 4023, 4807, 4917, 5643, 6831, 8493, 10281, 11799, 14421, 14751, 25479, 30843, 31141, 37697, 43263, 44253, 65113, 76437, 92529, 93423, 113091, 129789, 195339, 280269, 339273, 586017, 716243, 840807, 1017819, 1758051, 2148729, 6446187, 19338561]

約数ペア:

[(1, 19338561), (3, 6446187), (9, 2148729), (11, 1758051), (19, 1017819), (23, 840807), (27, 716243), (33, 586017), (57, 339273), (69, 280269), (99, 195339), (149, 129789), (171, 113091), (207, 93423), (209, 92529), (253, 76437), (297, 65113), (437, 44253), (447, 43263), (513, 37697), (621, 31141), (627, 30843), (759, 25479), (1311, 14751), (1341, 14421), (1639, 11799), (1881, 10281), (2277, 8493), (2831, 6831), (3427, 5643), (3933, 4917), (4023, 4807)]