18820374

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{8689}}^1$

素因数の和:8732

約数の個数: 24

約数和(自身を含む): 39730680

約数和(自身を除く): 20910306

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 361, 722, 1083, 2166, 8689, 17378, 26067, 52134, 165091, 330182, 495273, 990546, 3136729, 6273458, 9410187, 18820374]

約数ペア:

[(1, 18820374), (2, 9410187), (3, 6273458), (6, 3136729), (19, 990546), (38, 495273), (57, 330182), (114, 165091), (361, 52134), (722, 26067), (1083, 17378), (2166, 8689)]