18790310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1061}}^1$

素因数の和:1109

約数の個数: 64

約数和(自身を含む): 44043264

約数和(自身を除く): 25252954

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 23, 35, 46, 55, 70, 77, 110, 115, 154, 161, 230, 253, 322, 385, 506, 770, 805, 1061, 1265, 1610, 1771, 2122, 2530, 3542, 5305, 7427, 8855, 10610, 11671, 14854, 17710, 23342, 24403, 37135, 48806, 58355, 74270, 81697, 116710, 122015, 163394, 170821, 244030, 268433, 341642, 408485, 536866, 816970, 854105, 1342165, 1708210, 1879031, 2684330, 3758062, 9395155, 18790310]

約数ペア:

[(1, 18790310), (2, 9395155), (5, 3758062), (7, 2684330), (10, 1879031), (11, 1708210), (14, 1342165), (22, 854105), (23, 816970), (35, 536866), (46, 408485), (55, 341642), (70, 268433), (77, 244030), (110, 170821), (115, 163394), (154, 122015), (161, 116710), (230, 81697), (253, 74270), (322, 58355), (385, 48806), (506, 37135), (770, 24403), (805, 23342), (1061, 17710), (1265, 14854), (1610, 11671), (1771, 10610), (2122, 8855), (2530, 7427), (3542, 5305)]