18857904

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{643}}^1$

素因数の和:714

約数の個数: 80

約数和(自身を含む): 53663232

約数和(自身を除く): 34805328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 47, 48, 52, 78, 94, 104, 141, 156, 188, 208, 282, 312, 376, 564, 611, 624, 643, 752, 1128, 1222, 1286, 1833, 1929, 2256, 2444, 2572, 3666, 3858, 4888, 5144, 7332, 7716, 8359, 9776, 10288, 14664, 15432, 16718, 25077, 29328, 30221, 30864, 33436, 50154, 60442, 66872, 90663, 100308, 120884, 133744, 181326, 200616, 241768, 362652, 392873, 401232, 483536, 725304, 785746, 1178619, 1450608, 1571492, 2357238, 3142984, 4714476, 6285968, 9428952, 18857904]

約数ペア:

[(1, 18857904), (2, 9428952), (3, 6285968), (4, 4714476), (6, 3142984), (8, 2357238), (12, 1571492), (13, 1450608), (16, 1178619), (24, 785746), (26, 725304), (39, 483536), (47, 401232), (48, 392873), (52, 362652), (78, 241768), (94, 200616), (104, 181326), (141, 133744), (156, 120884), (188, 100308), (208, 90663), (282, 66872), (312, 60442), (376, 50154), (564, 33436), (611, 30864), (624, 30221), (643, 29328), (752, 25077), (1128, 16718), (1222, 15432), (1286, 14664), (1833, 10288), (1929, 9776), (2256, 8359), (2444, 7716), (2572, 7332), (3666, 5144), (3858, 4888)]