17910844

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 38142720

約数和(自身を除く): 20231876

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 131, 133, 257, 262, 266, 514, 524, 532, 917, 1028, 1799, 1834, 2489, 3598, 3668, 4883, 4978, 7196, 9766, 9956, 17423, 19532, 33667, 34181, 34846, 67334, 68362, 69692, 134668, 136724, 235669, 471338, 639673, 942676, 1279346, 2558692, 4477711, 8955422, 17910844]

約数ペア:

[(1, 17910844), (2, 8955422), (4, 4477711), (7, 2558692), (14, 1279346), (19, 942676), (28, 639673), (38, 471338), (76, 235669), (131, 136724), (133, 134668), (257, 69692), (262, 68362), (266, 67334), (514, 34846), (524, 34181), (532, 33667), (917, 19532), (1028, 17423), (1799, 9956), (1834, 9766), (2489, 7196), (3598, 4978), (3668, 4883)]