19869119921

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{3461}}^1$

素因数の和:3833

約数の個数: 32

約数和(自身を含む): 23646180096

約数和(自身を除く): 3777060175

約数列:

[1, 7, 41, 83, 241, 287, 581, 1687, 3403, 3461, 9881, 20003, 23821, 24227, 69167, 140021, 141901, 287263, 820123, 834101, 993307, 2010841, 5740861, 5838707, 11777783, 34198141, 69230383, 82444481, 239386987, 484612681, 2838445703, 19869119921]

約数ペア:

[(1, 19869119921), (7, 2838445703), (41, 484612681), (83, 239386987), (241, 82444481), (287, 69230383), (581, 34198141), (1687, 11777783), (3403, 5838707), (3461, 5740861), (9881, 2010841), (20003, 993307), (23821, 834101), (24227, 820123), (69167, 287263), (140021, 141901)]