81188330

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{427307}}^1$

素因数の和:427333

約数の個数: 16

約数和(自身を含む): 153830880

約数和(自身を除く): 72642550

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 427307, 854614, 2136535, 4273070, 8118833, 16237666, 40594165, 81188330]

約数ペア:

[(1, 81188330), (2, 40594165), (5, 16237666), (10, 8118833), (19, 4273070), (38, 2136535), (95, 854614), (190, 427307)]