19876662

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 46741968

約数和(自身を除く): 26865306

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 173, 234, 346, 491, 519, 982, 1038, 1473, 1557, 2249, 2946, 3114, 4419, 4498, 6383, 6747, 8838, 12766, 13494, 19149, 20241, 38298, 40482, 57447, 84943, 114894, 169886, 254829, 509658, 764487, 1104259, 1528974, 2208518, 3312777, 6625554, 9938331, 19876662]

約数ペア:

[(1, 19876662), (2, 9938331), (3, 6625554), (6, 3312777), (9, 2208518), (13, 1528974), (18, 1104259), (26, 764487), (39, 509658), (78, 254829), (117, 169886), (173, 114894), (234, 84943), (346, 57447), (491, 40482), (519, 38298), (982, 20241), (1038, 19149), (1473, 13494), (1557, 12766), (2249, 8838), (2946, 6747), (3114, 6383), (4419, 4498)]