19438068

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2351}}^1$

素因数の和:2424

約数の個数: 48

約数和(自身を含む): 49787136

約数和(自身を除く): 30349068

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 53, 78, 106, 156, 159, 212, 318, 636, 689, 1378, 2067, 2351, 2756, 4134, 4702, 7053, 8268, 9404, 14106, 28212, 30563, 61126, 91689, 122252, 124603, 183378, 249206, 366756, 373809, 498412, 747618, 1495236, 1619839, 3239678, 4859517, 6479356, 9719034, 19438068]

約数ペア:

[(1, 19438068), (2, 9719034), (3, 6479356), (4, 4859517), (6, 3239678), (12, 1619839), (13, 1495236), (26, 747618), (39, 498412), (52, 373809), (53, 366756), (78, 249206), (106, 183378), (156, 124603), (159, 122252), (212, 91689), (318, 61126), (636, 30563), (689, 28212), (1378, 14106), (2067, 9404), (2351, 8268), (2756, 7053), (4134, 4702)]