18717886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{2281}}^1$

素因数の和:2667

約数の個数: 16

約数和(自身を含む): 30724848

約数和(自身を除く): 12006962

約数列:

[1, 2, 11, 22, 373, 746, 2281, 4103, 4562, 8206, 25091, 50182, 850813, 1701626, 9358943, 18717886]

約数ペア:

[(1, 18717886), (2, 9358943), (11, 1701626), (22, 850813), (373, 50182), (746, 25091), (2281, 8206), (4103, 4562)]