18896388

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{991}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 50663424

約数和(自身を除く): 31767036

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 227, 454, 681, 908, 991, 1362, 1589, 1982, 2724, 2973, 3178, 3964, 4767, 5946, 6356, 6937, 9534, 11892, 13874, 19068, 20811, 27748, 41622, 83244, 224957, 449914, 674871, 899828, 1349742, 1574699, 2699484, 3149398, 4724097, 6298796, 9448194, 18896388]

約数ペア:

[(1, 18896388), (2, 9448194), (3, 6298796), (4, 4724097), (6, 3149398), (7, 2699484), (12, 1574699), (14, 1349742), (21, 899828), (28, 674871), (42, 449914), (84, 224957), (227, 83244), (454, 41622), (681, 27748), (908, 20811), (991, 19068), (1362, 13874), (1589, 11892), (1982, 9534), (2724, 6937), (2973, 6356), (3178, 5946), (3964, 4767)]