19577320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2411}}^1$

素因数の和:2458

約数の個数: 64

約数和(自身を含む): 52099200

約数和(自身を除く): 32521880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 1015, 1160, 1624, 2030, 2411, 4060, 4822, 8120, 9644, 12055, 16877, 19288, 24110, 33754, 48220, 67508, 69919, 84385, 96440, 135016, 139838, 168770, 279676, 337540, 349595, 489433, 559352, 675080, 699190, 978866, 1398380, 1957732, 2447165, 2796760, 3915464, 4894330, 9788660, 19577320]

約数ペア:

[(1, 19577320), (2, 9788660), (4, 4894330), (5, 3915464), (7, 2796760), (8, 2447165), (10, 1957732), (14, 1398380), (20, 978866), (28, 699190), (29, 675080), (35, 559352), (40, 489433), (56, 349595), (58, 337540), (70, 279676), (116, 168770), (140, 139838), (145, 135016), (203, 96440), (232, 84385), (280, 69919), (290, 67508), (406, 48220), (580, 33754), (812, 24110), (1015, 19288), (1160, 16877), (1624, 12055), (2030, 9644), (2411, 8120), (4060, 4822)]