17864465

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{4001}}^1$

素因数の和:4072

約数の個数: 16

約数和(自身を含む): 23051520

約数和(自身を除く): 5187055

約数列:

[1, 5, 19, 47, 95, 235, 893, 4001, 4465, 20005, 76019, 188047, 380095, 940235, 3572893, 17864465]

約数ペア:

[(1, 17864465), (5, 3572893), (19, 940235), (47, 380095), (95, 188047), (235, 76019), (893, 20005), (4001, 4465)]