19672569

素因数分解:

$3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{1439}}^1$

素因数の和:1490

約数の個数: 36

約数和(自身を含む): 34145280

約数和(自身を除く): 14472711

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 217, 279, 441, 651, 1439, 1519, 1953, 4317, 4557, 10073, 12951, 13671, 30219, 44609, 70511, 90657, 133827, 211533, 312263, 401481, 634599, 936789, 2185841, 2810367, 6557523, 19672569]

約数ペア:

[(1, 19672569), (3, 6557523), (7, 2810367), (9, 2185841), (21, 936789), (31, 634599), (49, 401481), (63, 312263), (93, 211533), (147, 133827), (217, 90657), (279, 70511), (441, 44609), (651, 30219), (1439, 13671), (1519, 12951), (1953, 10073), (4317, 4557)]