17917998

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 43407360

約数和(自身を除く): 25489362

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 47, 58, 87, 94, 141, 174, 203, 282, 313, 329, 406, 609, 626, 658, 939, 987, 1218, 1363, 1878, 1974, 2191, 2726, 4089, 4382, 6573, 8178, 9077, 9541, 13146, 14711, 18154, 19082, 27231, 28623, 29422, 44133, 54462, 57246, 63539, 88266, 102977, 127078, 190617, 205954, 308931, 381234, 426619, 617862, 853238, 1279857, 2559714, 2986333, 5972666, 8958999, 17917998]

約数ペア:

[(1, 17917998), (2, 8958999), (3, 5972666), (6, 2986333), (7, 2559714), (14, 1279857), (21, 853238), (29, 617862), (42, 426619), (47, 381234), (58, 308931), (87, 205954), (94, 190617), (141, 127078), (174, 102977), (203, 88266), (282, 63539), (313, 57246), (329, 54462), (406, 44133), (609, 29422), (626, 28623), (658, 27231), (939, 19082), (987, 18154), (1218, 14711), (1363, 13146), (1878, 9541), (1974, 9077), (2191, 8178), (2726, 6573), (4089, 4382)]