17976294820

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{390959}}^1$

素因数の和:391009

約数の個数: 72

約数和(自身を含む): 43678051200

約数和(自身を除く): 25701756380

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 121, 190, 209, 220, 242, 380, 418, 484, 605, 836, 1045, 1210, 2090, 2299, 2420, 4180, 4598, 9196, 11495, 22990, 45980, 390959, 781918, 1563836, 1954795, 3909590, 4300549, 7428221, 7819180, 8601098, 14856442, 17202196, 21502745, 29712884, 37141105, 43005490, 47306039, 74282210, 81710431, 86010980, 94612078, 148564420, 163420862, 189224156, 236530195, 326841724, 408552155, 473060390, 817104310, 898814741, 946120780, 1634208620, 1797629482, 3595258964, 4494073705, 8988147410, 17976294820]

約数ペア:

[(1, 17976294820), (2, 8988147410), (4, 4494073705), (5, 3595258964), (10, 1797629482), (11, 1634208620), (19, 946120780), (20, 898814741), (22, 817104310), (38, 473060390), (44, 408552155), (55, 326841724), (76, 236530195), (95, 189224156), (110, 163420862), (121, 148564420), (190, 94612078), (209, 86010980), (220, 81710431), (242, 74282210), (380, 47306039), (418, 43005490), (484, 37141105), (605, 29712884), (836, 21502745), (1045, 17202196), (1210, 14856442), (2090, 8601098), (2299, 7819180), (2420, 7428221), (4180, 4300549), (4598, 3909590), (9196, 1954795), (11495, 1563836), (22990, 781918), (45980, 390959)]