18450292

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 39424000

約数和(自身を除く): 20973708

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 79, 133, 158, 266, 316, 439, 532, 553, 878, 1106, 1501, 1756, 2212, 3002, 3073, 6004, 6146, 8341, 10507, 12292, 16682, 21014, 33364, 34681, 42028, 58387, 69362, 116774, 138724, 233548, 242767, 485534, 658939, 971068, 1317878, 2635756, 4612573, 9225146, 18450292]

約数ペア:

[(1, 18450292), (2, 9225146), (4, 4612573), (7, 2635756), (14, 1317878), (19, 971068), (28, 658939), (38, 485534), (76, 242767), (79, 233548), (133, 138724), (158, 116774), (266, 69362), (316, 58387), (439, 42028), (532, 34681), (553, 33364), (878, 21014), (1106, 16682), (1501, 12292), (1756, 10507), (2212, 8341), (3002, 6146), (3073, 6004)]