19305748

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3299}}^1$

素因数の和:3340

約数の個数: 48

約数和(自身を含む): 44352000

約数和(自身を除く): 25046252

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 3299, 5852, 6598, 13196, 23093, 36289, 46186, 62681, 72578, 92372, 125362, 145156, 250724, 254023, 438767, 508046, 689491, 877534, 1016092, 1378982, 1755068, 2757964, 4826437, 9652874, 19305748]

約数ペア:

[(1, 19305748), (2, 9652874), (4, 4826437), (7, 2757964), (11, 1755068), (14, 1378982), (19, 1016092), (22, 877534), (28, 689491), (38, 508046), (44, 438767), (76, 254023), (77, 250724), (133, 145156), (154, 125362), (209, 92372), (266, 72578), (308, 62681), (418, 46186), (532, 36289), (836, 23093), (1463, 13196), (2926, 6598), (3299, 5852)]