19944672045

素因数分解:

$3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{821}}^1\times {\mathrm{3607}}^1$

素因数の和:4885

約数の個数: 32

約数和(自身を含む): 32030380800

約数和(自身を除く): 12085708755

約数列:

[1, 3, 5, 15, 449, 821, 1347, 2245, 2463, 3607, 4105, 6735, 10821, 12315, 18035, 54105, 368629, 1105887, 1619543, 1843145, 2961347, 4858629, 5529435, 8097715, 8884041, 14806735, 24293145, 44420205, 1329644803, 3988934409, 6648224015, 19944672045]

約数ペア:

[(1, 19944672045), (3, 6648224015), (5, 3988934409), (15, 1329644803), (449, 44420205), (821, 24293145), (1347, 14806735), (2245, 8884041), (2463, 8097715), (3607, 5529435), (4105, 4858629), (6735, 2961347), (10821, 1843145), (12315, 1619543), (18035, 1105887), (54105, 368629)]