18928210

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38629}}^1$

素因数の和:38650

約数の個数: 24

約数和(自身を含む): 39634380

約数和(自身を除く): 20706170

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38629, 77258, 193145, 270403, 386290, 540806, 1352015, 1892821, 2704030, 3785642, 9464105, 18928210]

約数ペア:

[(1, 18928210), (2, 9464105), (5, 3785642), (7, 2704030), (10, 1892821), (14, 1352015), (35, 540806), (49, 386290), (70, 270403), (98, 193145), (245, 77258), (490, 38629)]