19174960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:470

約数の個数: 80

約数和(自身を含む): 51621696

約数和(自身を除く): 32446736

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 97, 112, 140, 194, 280, 353, 388, 485, 560, 679, 706, 776, 970, 1358, 1412, 1552, 1765, 1940, 2471, 2716, 2824, 3395, 3530, 3880, 4942, 5432, 5648, 6790, 7060, 7760, 9884, 10864, 12355, 13580, 14120, 19768, 24710, 27160, 28240, 34241, 39536, 49420, 54320, 68482, 98840, 136964, 171205, 197680, 239687, 273928, 342410, 479374, 547856, 684820, 958748, 1198435, 1369640, 1917496, 2396870, 2739280, 3834992, 4793740, 9587480, 19174960]

約数ペア:

[(1, 19174960), (2, 9587480), (4, 4793740), (5, 3834992), (7, 2739280), (8, 2396870), (10, 1917496), (14, 1369640), (16, 1198435), (20, 958748), (28, 684820), (35, 547856), (40, 479374), (56, 342410), (70, 273928), (80, 239687), (97, 197680), (112, 171205), (140, 136964), (194, 98840), (280, 68482), (353, 54320), (388, 49420), (485, 39536), (560, 34241), (679, 28240), (706, 27160), (776, 24710), (970, 19768), (1358, 14120), (1412, 13580), (1552, 12355), (1765, 10864), (1940, 9884), (2471, 7760), (2716, 7060), (2824, 6790), (3395, 5648), (3530, 5432), (3880, 4942)]