18821034687

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{33289}}^1$

素因数の和:33440

約数の個数: 64

約数和(自身を含む): 32810624000

約数和(自身を除く): 13989589313

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 109, 133, 247, 273, 327, 399, 741, 763, 1417, 1729, 2071, 2289, 4251, 5187, 6213, 9919, 14497, 26923, 29757, 33289, 43491, 80769, 99867, 188461, 233023, 432757, 565383, 632491, 699069, 1298271, 1897473, 3029299, 3628501, 4427437, 8222383, 9087897, 10885503, 13282311, 24667149, 25399507, 47170513, 57556681, 68941519, 76198521, 141511539, 172670043, 206824557, 330193591, 482590633, 896239747, 990580773, 1447771899, 2688719241, 6273678229, 18821034687]

約数ペア:

[(1, 18821034687), (3, 6273678229), (7, 2688719241), (13, 1447771899), (19, 990580773), (21, 896239747), (39, 482590633), (57, 330193591), (91, 206824557), (109, 172670043), (133, 141511539), (247, 76198521), (273, 68941519), (327, 57556681), (399, 47170513), (741, 25399507), (763, 24667149), (1417, 13282311), (1729, 10885503), (2071, 9087897), (2289, 8222383), (4251, 4427437), (5187, 3628501), (6213, 3029299), (9919, 1897473), (14497, 1298271), (26923, 699069), (29757, 632491), (33289, 565383), (43491, 432757), (80769, 233023), (99867, 188461)]