19040065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{3361}}^1$

素因数の和:3480

約数の個数: 16

約数和(自身を含む): 25174656

約数和(自身を除く): 6134591

約数列:

[1, 5, 11, 55, 103, 515, 1133, 3361, 5665, 16805, 36971, 184855, 346183, 1730915, 3808013, 19040065]

約数ペア:

[(1, 19040065), (5, 3808013), (11, 1730915), (55, 346183), (103, 184855), (515, 36971), (1133, 16805), (3361, 5665)]