19380394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 33126912

約数和(自身を除く): 13746518

約数列:

[1, 2, 11, 22, 31, 62, 157, 181, 314, 341, 362, 682, 1727, 1991, 3454, 3982, 4867, 5611, 9734, 11222, 28417, 53537, 56834, 61721, 107074, 123442, 312587, 625174, 880927, 1761854, 9690197, 19380394]

約数ペア:

[(1, 19380394), (2, 9690197), (11, 1761854), (22, 880927), (31, 625174), (62, 312587), (157, 123442), (181, 107074), (314, 61721), (341, 56834), (362, 53537), (682, 28417), (1727, 11222), (1991, 9734), (3454, 5611), (3982, 4867)]