19205888

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 42924000

約数和(自身を除く): 23718112

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 128, 199, 208, 232, 256, 377, 398, 416, 464, 754, 796, 832, 928, 1508, 1592, 1664, 1856, 2587, 3016, 3184, 3328, 3712, 5174, 5771, 6032, 6368, 7424, 10348, 11542, 12064, 12736, 20696, 23084, 24128, 25472, 41392, 46168, 48256, 50944, 75023, 82784, 92336, 96512, 150046, 165568, 184672, 300092, 331136, 369344, 600184, 662272, 738688, 1200368, 1477376, 2400736, 4801472, 9602944, 19205888]

約数ペア:

[(1, 19205888), (2, 9602944), (4, 4801472), (8, 2400736), (13, 1477376), (16, 1200368), (26, 738688), (29, 662272), (32, 600184), (52, 369344), (58, 331136), (64, 300092), (104, 184672), (116, 165568), (128, 150046), (199, 96512), (208, 92336), (232, 82784), (256, 75023), (377, 50944), (398, 48256), (416, 46168), (464, 41392), (754, 25472), (796, 24128), (832, 23084), (928, 20696), (1508, 12736), (1592, 12064), (1664, 11542), (1856, 10348), (2587, 7424), (3016, 6368), (3184, 6032), (3328, 5771), (3712, 5174)]