19191760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{797}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 52246656

約数和(自身を除く): 33054896

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 797, 860, 1204, 1505, 1594, 1720, 2408, 3010, 3188, 3440, 3985, 4816, 5579, 6020, 6376, 7970, 11158, 12040, 12752, 15940, 22316, 24080, 27895, 31880, 34271, 44632, 55790, 63760, 68542, 89264, 111580, 137084, 171355, 223160, 239897, 274168, 342710, 446320, 479794, 548336, 685420, 959588, 1199485, 1370840, 1919176, 2398970, 2741680, 3838352, 4797940, 9595880, 19191760]

約数ペア:

[(1, 19191760), (2, 9595880), (4, 4797940), (5, 3838352), (7, 2741680), (8, 2398970), (10, 1919176), (14, 1370840), (16, 1199485), (20, 959588), (28, 685420), (35, 548336), (40, 479794), (43, 446320), (56, 342710), (70, 274168), (80, 239897), (86, 223160), (112, 171355), (140, 137084), (172, 111580), (215, 89264), (280, 68542), (301, 63760), (344, 55790), (430, 44632), (560, 34271), (602, 31880), (688, 27895), (797, 24080), (860, 22316), (1204, 15940), (1505, 12752), (1594, 12040), (1720, 11158), (2408, 7970), (3010, 6376), (3188, 6020), (3440, 5579), (3985, 4816)]