19501516

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{337}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 38840256

約数和(自身を除く): 19338740

約数列:

[1, 2, 4, 17, 23, 34, 37, 46, 68, 74, 92, 148, 337, 391, 629, 674, 782, 851, 1258, 1348, 1564, 1702, 2516, 3404, 5729, 7751, 11458, 12469, 14467, 15502, 22916, 24938, 28934, 31004, 49876, 57868, 131767, 211973, 263534, 286787, 423946, 527068, 573574, 847892, 1147148, 4875379, 9750758, 19501516]

約数ペア:

[(1, 19501516), (2, 9750758), (4, 4875379), (17, 1147148), (23, 847892), (34, 573574), (37, 527068), (46, 423946), (68, 286787), (74, 263534), (92, 211973), (148, 131767), (337, 57868), (391, 49876), (629, 31004), (674, 28934), (782, 24938), (851, 22916), (1258, 15502), (1348, 14467), (1564, 12469), (1702, 11458), (2516, 7751), (3404, 5729)]