19478732

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{907}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 42712320

約数和(自身を除く): 23233588

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 59, 91, 118, 182, 236, 364, 413, 767, 826, 907, 1534, 1652, 1814, 3068, 3628, 5369, 6349, 10738, 11791, 12698, 21476, 23582, 25396, 47164, 53513, 82537, 107026, 165074, 214052, 330148, 374591, 695669, 749182, 1391338, 1498364, 2782676, 4869683, 9739366, 19478732]

約数ペア:

[(1, 19478732), (2, 9739366), (4, 4869683), (7, 2782676), (13, 1498364), (14, 1391338), (26, 749182), (28, 695669), (52, 374591), (59, 330148), (91, 214052), (118, 165074), (182, 107026), (236, 82537), (364, 53513), (413, 47164), (767, 25396), (826, 23582), (907, 21476), (1534, 12698), (1652, 11791), (1814, 10738), (3068, 6349), (3628, 5369)]