18563412

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{991}}^1$

素因数の和:1228

約数の個数: 48

約数和(自身を含む): 49774592

約数和(自身を除く): 31211180

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 223, 446, 669, 892, 991, 1338, 1561, 1982, 2676, 2973, 3122, 3964, 4683, 5946, 6244, 6937, 9366, 11892, 13874, 18732, 20811, 27748, 41622, 83244, 220993, 441986, 662979, 883972, 1325958, 1546951, 2651916, 3093902, 4640853, 6187804, 9281706, 18563412]

約数ペア:

[(1, 18563412), (2, 9281706), (3, 6187804), (4, 4640853), (6, 3093902), (7, 2651916), (12, 1546951), (14, 1325958), (21, 883972), (28, 662979), (42, 441986), (84, 220993), (223, 83244), (446, 41622), (669, 27748), (892, 20811), (991, 18732), (1338, 13874), (1561, 11892), (1982, 9366), (2676, 6937), (2973, 6244), (3122, 5946), (3964, 4683)]