18983690

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:599

約数の個数: 48

約数和(自身を含む): 38926440

約数和(自身を除く): 19942750

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 121, 145, 242, 290, 319, 541, 605, 638, 1082, 1210, 1595, 2705, 3190, 3509, 5410, 5951, 7018, 11902, 15689, 17545, 29755, 31378, 35090, 59510, 65461, 78445, 130922, 156890, 172579, 327305, 345158, 654610, 862895, 1725790, 1898369, 3796738, 9491845, 18983690]

約数ペア:

[(1, 18983690), (2, 9491845), (5, 3796738), (10, 1898369), (11, 1725790), (22, 862895), (29, 654610), (55, 345158), (58, 327305), (110, 172579), (121, 156890), (145, 130922), (242, 78445), (290, 65461), (319, 59510), (541, 35090), (605, 31378), (638, 29755), (1082, 17545), (1210, 15689), (1595, 11902), (2705, 7018), (3190, 5951), (3509, 5410)]