19246216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:334

約数の個数: 64

約数和(自身を含む): 42353280

約数和(自身を除く): 23107064

約数列:

[1, 2, 4, 8, 11, 22, 23, 37, 44, 46, 74, 88, 92, 148, 184, 253, 257, 296, 407, 506, 514, 814, 851, 1012, 1028, 1628, 1702, 2024, 2056, 2827, 3256, 3404, 5654, 5911, 6808, 9361, 9509, 11308, 11822, 18722, 19018, 22616, 23644, 37444, 38036, 47288, 65021, 74888, 76072, 104599, 130042, 209198, 218707, 260084, 418396, 437414, 520168, 836792, 874828, 1749656, 2405777, 4811554, 9623108, 19246216]

約数ペア:

[(1, 19246216), (2, 9623108), (4, 4811554), (8, 2405777), (11, 1749656), (22, 874828), (23, 836792), (37, 520168), (44, 437414), (46, 418396), (74, 260084), (88, 218707), (92, 209198), (148, 130042), (184, 104599), (253, 76072), (257, 74888), (296, 65021), (407, 47288), (506, 38036), (514, 37444), (814, 23644), (851, 22616), (1012, 19018), (1028, 18722), (1628, 11822), (1702, 11308), (2024, 9509), (2056, 9361), (2827, 6808), (3256, 5911), (3404, 5654)]