18934655

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{409}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 23379840

約数和(自身を除く): 4445185

約数列:

[1, 5, 47, 197, 235, 409, 985, 2045, 9259, 19223, 46295, 80573, 96115, 402865, 3786931, 18934655]

約数ペア:

[(1, 18934655), (5, 3786931), (47, 402865), (197, 96115), (235, 80573), (409, 46295), (985, 19223), (2045, 9259)]