19984094

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{359}}^1\times {\mathrm{2141}}^1$

素因数の和:2515

約数の個数: 16

約数和(自身を含む): 32387040

約数和(自身を除く): 12402946

約数列:

[1, 2, 13, 26, 359, 718, 2141, 4282, 4667, 9334, 27833, 55666, 768619, 1537238, 9992047, 19984094]

約数ペア:

[(1, 19984094), (2, 9992047), (13, 1537238), (26, 768619), (359, 55666), (718, 27833), (2141, 9334), (4282, 4667)]