19399304

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1$

素因数の和:258

約数の個数: 64

約数和(自身を含む): 41472000

約数和(自身を除く): 22072696

約数列:

[1, 2, 4, 8, 19, 23, 31, 38, 46, 62, 76, 92, 124, 152, 179, 184, 248, 358, 437, 589, 713, 716, 874, 1178, 1426, 1432, 1748, 2356, 2852, 3401, 3496, 4117, 4712, 5549, 5704, 6802, 8234, 11098, 13547, 13604, 16468, 22196, 27094, 27208, 32936, 44392, 54188, 78223, 105431, 108376, 127627, 156446, 210862, 255254, 312892, 421724, 510508, 625784, 843448, 1021016, 2424913, 4849826, 9699652, 19399304]

約数ペア:

[(1, 19399304), (2, 9699652), (4, 4849826), (8, 2424913), (19, 1021016), (23, 843448), (31, 625784), (38, 510508), (46, 421724), (62, 312892), (76, 255254), (92, 210862), (124, 156446), (152, 127627), (179, 108376), (184, 105431), (248, 78223), (358, 54188), (437, 44392), (589, 32936), (713, 27208), (716, 27094), (874, 22196), (1178, 16468), (1426, 13604), (1432, 13547), (1748, 11098), (2356, 8234), (2852, 6802), (3401, 5704), (3496, 5549), (4117, 4712)]