18528657

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 31122432

約数和(自身を除く): 12593775

約数列:

[1, 3, 7, 17, 21, 43, 51, 71, 119, 129, 213, 289, 301, 357, 497, 731, 867, 903, 1207, 1491, 2023, 2193, 3053, 3621, 5117, 6069, 8449, 9159, 12427, 15351, 20519, 21371, 25347, 37281, 51901, 61557, 64113, 86989, 143633, 155703, 260967, 363307, 430899, 882317, 1089921, 2646951, 6176219, 18528657]

約数ペア:

[(1, 18528657), (3, 6176219), (7, 2646951), (17, 1089921), (21, 882317), (43, 430899), (51, 363307), (71, 260967), (119, 155703), (129, 143633), (213, 86989), (289, 64113), (301, 61557), (357, 51901), (497, 37281), (731, 25347), (867, 21371), (903, 20519), (1207, 15351), (1491, 12427), (2023, 9159), (2193, 8449), (3053, 6069), (3621, 5117)]