19413688

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 43960320

約数和(自身を除く): 24546632

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 53, 56, 62, 106, 124, 211, 212, 217, 248, 371, 422, 424, 434, 742, 844, 868, 1477, 1484, 1643, 1688, 1736, 2954, 2968, 3286, 5908, 6541, 6572, 11183, 11501, 11816, 13082, 13144, 22366, 23002, 26164, 44732, 45787, 46004, 52328, 78281, 89464, 91574, 92008, 156562, 183148, 313124, 346673, 366296, 626248, 693346, 1386692, 2426711, 2773384, 4853422, 9706844, 19413688]

約数ペア:

[(1, 19413688), (2, 9706844), (4, 4853422), (7, 2773384), (8, 2426711), (14, 1386692), (28, 693346), (31, 626248), (53, 366296), (56, 346673), (62, 313124), (106, 183148), (124, 156562), (211, 92008), (212, 91574), (217, 89464), (248, 78281), (371, 52328), (422, 46004), (424, 45787), (434, 44732), (742, 26164), (844, 23002), (868, 22366), (1477, 13144), (1484, 13082), (1643, 11816), (1688, 11501), (1736, 11183), (2954, 6572), (2968, 6541), (3286, 5908)]