19624437

素因数分解:

$3^5\times 7^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:244

約数の個数: 48

約数和(自身を含む): 34245120

約数和(自身を除く): 14620683

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 83, 139, 189, 243, 249, 417, 567, 581, 747, 973, 1251, 1701, 1743, 2241, 2919, 3753, 5229, 6723, 8757, 11259, 11537, 15687, 20169, 26271, 33777, 34611, 47061, 78813, 80759, 103833, 141183, 236439, 242277, 311499, 726831, 934497, 2180493, 2803491, 6541479, 19624437]

約数ペア:

[(1, 19624437), (3, 6541479), (7, 2803491), (9, 2180493), (21, 934497), (27, 726831), (63, 311499), (81, 242277), (83, 236439), (139, 141183), (189, 103833), (243, 80759), (249, 78813), (417, 47061), (567, 34611), (581, 33777), (747, 26271), (973, 20169), (1251, 15687), (1701, 11537), (1743, 11259), (2241, 8757), (2919, 6723), (3753, 5229)]