20178549499

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{9923}}^1$

素因数の和:10135

約数の個数: 24

約数和(自身を含む): 21960303552

約数和(自身を除く): 1781754053

約数列:

[1, 19, 43, 131, 361, 817, 2489, 5633, 9923, 15523, 47291, 107027, 188537, 426689, 1299913, 2033513, 3582203, 8107091, 24698347, 55896259, 154034729, 469268593, 1062028921, 20178549499]

約数ペア:

[(1, 20178549499), (19, 1062028921), (43, 469268593), (131, 154034729), (361, 55896259), (817, 24698347), (2489, 8107091), (5633, 3582203), (9923, 2033513), (15523, 1299913), (47291, 426689), (107027, 188537)]