18226780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{6373}}^1$

素因数の和:6406

約数の個数: 48

約数和(自身を含む): 44974944

約数和(自身を除く): 26748164

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 6373, 12746, 25492, 31865, 63730, 70103, 82849, 127460, 140206, 165698, 280412, 331396, 350515, 414245, 701030, 828490, 911339, 1402060, 1656980, 1822678, 3645356, 4556695, 9113390, 18226780]

約数ペア:

[(1, 18226780), (2, 9113390), (4, 4556695), (5, 3645356), (10, 1822678), (11, 1656980), (13, 1402060), (20, 911339), (22, 828490), (26, 701030), (44, 414245), (52, 350515), (55, 331396), (65, 280412), (110, 165698), (130, 140206), (143, 127460), (220, 82849), (260, 70103), (286, 63730), (572, 31865), (715, 25492), (1430, 12746), (2860, 6373)]