19287392

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:291

約数の個数: 48

約数和(自身を含む): 39517632

約数和(自身を除く): 20230240

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 107, 131, 172, 214, 262, 344, 428, 524, 688, 856, 1048, 1376, 1712, 2096, 3424, 4192, 4601, 5633, 9202, 11266, 14017, 18404, 22532, 28034, 36808, 45064, 56068, 73616, 90128, 112136, 147232, 180256, 224272, 448544, 602731, 1205462, 2410924, 4821848, 9643696, 19287392]

約数ペア:

[(1, 19287392), (2, 9643696), (4, 4821848), (8, 2410924), (16, 1205462), (32, 602731), (43, 448544), (86, 224272), (107, 180256), (131, 147232), (172, 112136), (214, 90128), (262, 73616), (344, 56068), (428, 45064), (524, 36808), (688, 28034), (856, 22532), (1048, 18404), (1376, 14017), (1712, 11266), (2096, 9202), (3424, 5633), (4192, 4601)]