18573775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 27721440

約数和(自身を除く): 9147665

約数列:

[1, 5, 11, 17, 25, 29, 55, 85, 137, 145, 187, 275, 319, 425, 493, 685, 725, 935, 1507, 1595, 2329, 2465, 3425, 3973, 4675, 5423, 7535, 7975, 11645, 12325, 19865, 25619, 27115, 37675, 43703, 58225, 67541, 99325, 128095, 135575, 218515, 337705, 640475, 742951, 1092575, 1688525, 3714755, 18573775]

約数ペア:

[(1, 18573775), (5, 3714755), (11, 1688525), (17, 1092575), (25, 742951), (29, 640475), (55, 337705), (85, 218515), (137, 135575), (145, 128095), (187, 99325), (275, 67541), (319, 58225), (425, 43703), (493, 37675), (685, 27115), (725, 25619), (935, 19865), (1507, 12325), (1595, 11645), (2329, 7975), (2465, 7535), (3425, 5423), (3973, 4675)]