18948644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:396

約数の個数: 48

約数和(自身を含む): 39391296

約数和(自身を除く): 20442652

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 157, 211, 286, 314, 422, 572, 628, 844, 1727, 2041, 2321, 2743, 3454, 4082, 4642, 5486, 6908, 8164, 9284, 10972, 22451, 30173, 33127, 44902, 60346, 66254, 89804, 120692, 132508, 364397, 430651, 728794, 861302, 1457588, 1722604, 4737161, 9474322, 18948644]

約数ペア:

[(1, 18948644), (2, 9474322), (4, 4737161), (11, 1722604), (13, 1457588), (22, 861302), (26, 728794), (44, 430651), (52, 364397), (143, 132508), (157, 120692), (211, 89804), (286, 66254), (314, 60346), (422, 44902), (572, 33127), (628, 30173), (844, 22451), (1727, 10972), (2041, 9284), (2321, 8164), (2743, 6908), (3454, 5486), (4082, 4642)]