19612047

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{199}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 34137600

約数和(自身を除く): 14525553

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 199, 247, 273, 361, 399, 597, 741, 1083, 1393, 1729, 2527, 2587, 3781, 4179, 4693, 5187, 7581, 7761, 11343, 14079, 18109, 26467, 32851, 49153, 54327, 71839, 79401, 98553, 147459, 215517, 344071, 502873, 933907, 1032213, 1508619, 2801721, 6537349, 19612047]

約数ペア:

[(1, 19612047), (3, 6537349), (7, 2801721), (13, 1508619), (19, 1032213), (21, 933907), (39, 502873), (57, 344071), (91, 215517), (133, 147459), (199, 98553), (247, 79401), (273, 71839), (361, 54327), (399, 49153), (597, 32851), (741, 26467), (1083, 18109), (1393, 14079), (1729, 11343), (2527, 7761), (2587, 7581), (3781, 5187), (4179, 4693)]