17691388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{197}}^1$

素因数の和:382

約数の個数: 48

約数和(自身を含む): 36789984

約数和(自身を除く): 19098596

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 157, 197, 286, 314, 394, 572, 628, 788, 1727, 2041, 2167, 2561, 3454, 4082, 4334, 5122, 6908, 8164, 8668, 10244, 22451, 28171, 30929, 44902, 56342, 61858, 89804, 112684, 123716, 340219, 402077, 680438, 804154, 1360876, 1608308, 4422847, 8845694, 17691388]

約数ペア:

[(1, 17691388), (2, 8845694), (4, 4422847), (11, 1608308), (13, 1360876), (22, 804154), (26, 680438), (44, 402077), (52, 340219), (143, 123716), (157, 112684), (197, 89804), (286, 61858), (314, 56342), (394, 44902), (572, 30929), (628, 28171), (788, 22451), (1727, 10244), (2041, 8668), (2167, 8164), (2561, 6908), (3454, 5122), (4082, 4334)]