18741250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1$

素因数の和:109

約数の個数: 80

約数和(自身を含む): 40487040

約数和(自身を除く): 21745790

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 47, 50, 55, 58, 94, 110, 125, 145, 235, 250, 275, 290, 319, 470, 517, 550, 625, 638, 725, 1034, 1175, 1250, 1363, 1375, 1450, 1595, 2350, 2585, 2726, 2750, 3190, 3625, 5170, 5875, 6815, 6875, 7250, 7975, 11750, 12925, 13630, 13750, 14993, 15950, 18125, 25850, 29375, 29986, 34075, 36250, 39875, 58750, 64625, 68150, 74965, 79750, 129250, 149930, 170375, 199375, 323125, 340750, 374825, 398750, 646250, 749650, 851875, 1703750, 1874125, 3748250, 9370625, 18741250]

約数ペア:

[(1, 18741250), (2, 9370625), (5, 3748250), (10, 1874125), (11, 1703750), (22, 851875), (25, 749650), (29, 646250), (47, 398750), (50, 374825), (55, 340750), (58, 323125), (94, 199375), (110, 170375), (125, 149930), (145, 129250), (235, 79750), (250, 74965), (275, 68150), (290, 64625), (319, 58750), (470, 39875), (517, 36250), (550, 34075), (625, 29986), (638, 29375), (725, 25850), (1034, 18125), (1175, 15950), (1250, 14993), (1363, 13750), (1375, 13630), (1450, 12925), (1595, 11750), (2350, 7975), (2585, 7250), (2726, 6875), (2750, 6815), (3190, 5875), (3625, 5170)]