19770296

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^2\times {\mathrm{2089}}^1$

素因数の和:2128

約数の個数: 48

約数和(自身を含む): 45896400

約数和(自身を除く): 26126104

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 169, 182, 338, 364, 676, 728, 1183, 1352, 2089, 2366, 4178, 4732, 8356, 9464, 14623, 16712, 27157, 29246, 54314, 58492, 108628, 116984, 190099, 217256, 353041, 380198, 706082, 760396, 1412164, 1520792, 2471287, 2824328, 4942574, 9885148, 19770296]

約数ペア:

[(1, 19770296), (2, 9885148), (4, 4942574), (7, 2824328), (8, 2471287), (13, 1520792), (14, 1412164), (26, 760396), (28, 706082), (52, 380198), (56, 353041), (91, 217256), (104, 190099), (169, 116984), (182, 108628), (338, 58492), (364, 54314), (676, 29246), (728, 27157), (1183, 16712), (1352, 14623), (2089, 9464), (2366, 8356), (4178, 4732)]