19976424

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1489}}^1$

素因数の和:1554

約数の個数: 64

約数和(自身を含む): 55070400

約数和(自身を除く): 35093976

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 43, 52, 78, 86, 104, 129, 156, 172, 258, 312, 344, 516, 559, 1032, 1118, 1489, 1677, 2236, 2978, 3354, 4467, 4472, 5956, 6708, 8934, 11912, 13416, 17868, 19357, 35736, 38714, 58071, 64027, 77428, 116142, 128054, 154856, 192081, 232284, 256108, 384162, 464568, 512216, 768324, 832351, 1536648, 1664702, 2497053, 3329404, 4994106, 6658808, 9988212, 19976424]

約数ペア:

[(1, 19976424), (2, 9988212), (3, 6658808), (4, 4994106), (6, 3329404), (8, 2497053), (12, 1664702), (13, 1536648), (24, 832351), (26, 768324), (39, 512216), (43, 464568), (52, 384162), (78, 256108), (86, 232284), (104, 192081), (129, 154856), (156, 128054), (172, 116142), (258, 77428), (312, 64027), (344, 58071), (516, 38714), (559, 35736), (1032, 19357), (1118, 17868), (1489, 13416), (1677, 11912), (2236, 8934), (2978, 6708), (3354, 5956), (4467, 4472)]