19701234

素因数分解:

$2^1\times 3^2\times 7^3\times {\mathrm{3191}}^1$

素因数の和:3220

約数の個数: 48

約数和(自身を含む): 49795200

約数和(自身を除く): 30093966

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 343, 441, 686, 882, 1029, 2058, 3087, 3191, 6174, 6382, 9573, 19146, 22337, 28719, 44674, 57438, 67011, 134022, 156359, 201033, 312718, 402066, 469077, 938154, 1094513, 1407231, 2189026, 2814462, 3283539, 6567078, 9850617, 19701234]

約数ペア:

[(1, 19701234), (2, 9850617), (3, 6567078), (6, 3283539), (7, 2814462), (9, 2189026), (14, 1407231), (18, 1094513), (21, 938154), (42, 469077), (49, 402066), (63, 312718), (98, 201033), (126, 156359), (147, 134022), (294, 67011), (343, 57438), (441, 44674), (686, 28719), (882, 22337), (1029, 19146), (2058, 9573), (3087, 6382), (3191, 6174)]