19212760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{1163}}^1$

素因数の和:1240

約数の個数: 64

約数和(自身を含む): 50284800

約数和(自身を除く): 31072040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 59, 70, 118, 140, 236, 280, 295, 413, 472, 590, 826, 1163, 1180, 1652, 2065, 2326, 2360, 3304, 4130, 4652, 5815, 8141, 8260, 9304, 11630, 16282, 16520, 23260, 32564, 40705, 46520, 65128, 68617, 81410, 137234, 162820, 274468, 325640, 343085, 480319, 548936, 686170, 960638, 1372340, 1921276, 2401595, 2744680, 3842552, 4803190, 9606380, 19212760]

約数ペア:

[(1, 19212760), (2, 9606380), (4, 4803190), (5, 3842552), (7, 2744680), (8, 2401595), (10, 1921276), (14, 1372340), (20, 960638), (28, 686170), (35, 548936), (40, 480319), (56, 343085), (59, 325640), (70, 274468), (118, 162820), (140, 137234), (236, 81410), (280, 68617), (295, 65128), (413, 46520), (472, 40705), (590, 32564), (826, 23260), (1163, 16520), (1180, 16282), (1652, 11630), (2065, 9304), (2326, 8260), (2360, 8141), (3304, 5815), (4130, 4652)]