19868264

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2617}}^1$

素因数の和:2709

約数の個数: 32

約数和(自身を含む): 40683720

約数和(自身を除く): 20815456

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 2617, 3796, 5234, 7592, 10468, 20936, 34021, 68042, 136084, 191041, 272168, 382082, 764164, 1528328, 2483533, 4967066, 9934132, 19868264]

約数ペア:

[(1, 19868264), (2, 9934132), (4, 4967066), (8, 2483533), (13, 1528328), (26, 764164), (52, 382082), (73, 272168), (104, 191041), (146, 136084), (292, 68042), (584, 34021), (949, 20936), (1898, 10468), (2617, 7592), (3796, 5234)]