19666127

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 24167808

約数和(自身を除く): 4501681

約数列:

[1, 13, 17, 23, 53, 73, 221, 299, 391, 689, 901, 949, 1219, 1241, 1679, 3869, 5083, 11713, 15847, 16133, 20723, 21827, 28543, 50297, 65773, 88987, 269399, 371059, 855049, 1156831, 1512779, 19666127]

約数ペア:

[(1, 19666127), (13, 1512779), (17, 1156831), (23, 855049), (53, 371059), (73, 269399), (221, 88987), (299, 65773), (391, 50297), (689, 28543), (901, 21827), (949, 20723), (1219, 16133), (1241, 15847), (1679, 11713), (3869, 5083)]