19994672

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{11059}}^1$

素因数の和:11180

約数の個数: 20

約数和(自身を含む): 39086040

約数和(自身を除く): 19091368

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 11059, 22118, 44236, 88472, 176944, 1249667, 2499334, 4998668, 9997336, 19994672]

約数ペア:

[(1, 19994672), (2, 9997336), (4, 4998668), (8, 2499334), (16, 1249667), (113, 176944), (226, 88472), (452, 44236), (904, 22118), (1808, 11059)]