18929750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{373}}^1$

素因数の和:426

約数の個数: 64

約数和(自身を含む): 42007680

約数和(自身を除く): 23077930

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 125, 145, 175, 203, 250, 290, 350, 373, 406, 725, 746, 875, 1015, 1450, 1750, 1865, 2030, 2611, 3625, 3730, 5075, 5222, 7250, 9325, 10150, 10817, 13055, 18650, 21634, 25375, 26110, 46625, 50750, 54085, 65275, 75719, 93250, 108170, 130550, 151438, 270425, 326375, 378595, 540850, 652750, 757190, 1352125, 1892975, 2704250, 3785950, 9464875, 18929750]

約数ペア:

[(1, 18929750), (2, 9464875), (5, 3785950), (7, 2704250), (10, 1892975), (14, 1352125), (25, 757190), (29, 652750), (35, 540850), (50, 378595), (58, 326375), (70, 270425), (125, 151438), (145, 130550), (175, 108170), (203, 93250), (250, 75719), (290, 65275), (350, 54085), (373, 50750), (406, 46625), (725, 26110), (746, 25375), (875, 21634), (1015, 18650), (1450, 13055), (1750, 10817), (1865, 10150), (2030, 9325), (2611, 7250), (3625, 5222), (3730, 5075)]