18090490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 64

約数和(自身を含む): 37791360

約数和(自身を除く): 19700870

約数列:

[1, 2, 5, 10, 11, 22, 29, 53, 55, 58, 106, 107, 110, 145, 214, 265, 290, 319, 530, 535, 583, 638, 1070, 1166, 1177, 1537, 1595, 2354, 2915, 3074, 3103, 3190, 5671, 5830, 5885, 6206, 7685, 11342, 11770, 15370, 15515, 16907, 28355, 31030, 33814, 34133, 56710, 62381, 68266, 84535, 124762, 164459, 169070, 170665, 311905, 328918, 341330, 623810, 822295, 1644590, 1809049, 3618098, 9045245, 18090490]

約数ペア:

[(1, 18090490), (2, 9045245), (5, 3618098), (10, 1809049), (11, 1644590), (22, 822295), (29, 623810), (53, 341330), (55, 328918), (58, 311905), (106, 170665), (107, 169070), (110, 164459), (145, 124762), (214, 84535), (265, 68266), (290, 62381), (319, 56710), (530, 34133), (535, 33814), (583, 31030), (638, 28355), (1070, 16907), (1166, 15515), (1177, 15370), (1537, 11770), (1595, 11342), (2354, 7685), (2915, 6206), (3074, 5885), (3103, 5830), (3190, 5671)]