19726602

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 47308800

約数和(自身を除く): 27582198

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 109, 139, 186, 217, 218, 278, 327, 417, 434, 651, 654, 763, 834, 973, 1302, 1526, 1946, 2289, 2919, 3379, 4309, 4578, 5838, 6758, 8618, 10137, 12927, 15151, 20274, 23653, 25854, 30163, 30302, 45453, 47306, 60326, 70959, 90489, 90906, 106057, 141918, 180978, 212114, 318171, 469681, 636342, 939362, 1409043, 2818086, 3287767, 6575534, 9863301, 19726602]

約数ペア:

[(1, 19726602), (2, 9863301), (3, 6575534), (6, 3287767), (7, 2818086), (14, 1409043), (21, 939362), (31, 636342), (42, 469681), (62, 318171), (93, 212114), (109, 180978), (139, 141918), (186, 106057), (217, 90906), (218, 90489), (278, 70959), (327, 60326), (417, 47306), (434, 45453), (651, 30302), (654, 30163), (763, 25854), (834, 23653), (973, 20274), (1302, 15151), (1526, 12927), (1946, 10137), (2289, 8618), (2919, 6758), (3379, 5838), (4309, 4578)]