19437856

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 39776184

約数和(自身を除く): 20338328

約数列:

[1, 2, 4, 8, 16, 32, 53, 73, 106, 146, 157, 212, 292, 314, 424, 584, 628, 848, 1168, 1256, 1696, 2336, 2512, 3869, 5024, 7738, 8321, 11461, 15476, 16642, 22922, 30952, 33284, 45844, 61904, 66568, 91688, 123808, 133136, 183376, 266272, 366752, 607433, 1214866, 2429732, 4859464, 9718928, 19437856]

約数ペア:

[(1, 19437856), (2, 9718928), (4, 4859464), (8, 2429732), (16, 1214866), (32, 607433), (53, 366752), (73, 266272), (106, 183376), (146, 133136), (157, 123808), (212, 91688), (292, 66568), (314, 61904), (424, 45844), (584, 33284), (628, 30952), (848, 22922), (1168, 16642), (1256, 15476), (1696, 11461), (2336, 8321), (2512, 7738), (3869, 5024)]