18139743

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{823}}^1$

素因数の和:939

約数の個数: 24

約数和(自身を含む): 27422720

約数和(自身を除く): 9282977

約数列:

[1, 3, 9, 31, 79, 93, 237, 279, 711, 823, 2449, 2469, 7347, 7407, 22041, 25513, 65017, 76539, 195051, 229617, 585153, 2015527, 6046581, 18139743]

約数ペア:

[(1, 18139743), (3, 6046581), (9, 2015527), (31, 585153), (79, 229617), (93, 195051), (237, 76539), (279, 65017), (711, 25513), (823, 22041), (2449, 7407), (2469, 7347)]