17949404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:290

約数の個数: 48

約数和(自身を含む): 35925120

約数和(自身を除く): 17975716

約数列:

[1, 2, 4, 11, 22, 43, 44, 53, 86, 106, 172, 179, 212, 358, 473, 583, 716, 946, 1166, 1892, 1969, 2279, 2332, 3938, 4558, 7697, 7876, 9116, 9487, 15394, 18974, 25069, 30788, 37948, 50138, 84667, 100276, 104357, 169334, 208714, 338668, 407941, 417428, 815882, 1631764, 4487351, 8974702, 17949404]

約数ペア:

[(1, 17949404), (2, 8974702), (4, 4487351), (11, 1631764), (22, 815882), (43, 417428), (44, 407941), (53, 338668), (86, 208714), (106, 169334), (172, 104357), (179, 100276), (212, 84667), (358, 50138), (473, 37948), (583, 30788), (716, 25069), (946, 18974), (1166, 15394), (1892, 9487), (1969, 9116), (2279, 7876), (2332, 7697), (3938, 4558)]