19670040.000000000

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3301}}^1$

素因数の和:3396

約数の個数: 64

約数和(自身を含む): 342351360

約数和(自身を除く): 197978824

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 142, 154, 284, 308, 497, 568, 616, 781, 994, 1562, 1988, 3124, 3301, 3976, 5467, 6248, 6602, 10934, 13204, 21868, 23107, 26408, 36311, 43736, 46214, 72622, 92428, 145244, 184856, 234371, 254177, 290488, 468742, 508354, 937484, 1016708, 1640597, 1874968, 2033416, 2578081, 3281194, 5156162, 6562388, 10312324, 13124776, 18046567, 20624648, 36093134, 72186268, 144372536]

約数ペア:

[(1, 144372536), (2, 72186268), (4, 36093134), (7, 20624648), (8, 18046567), (11, 13124776), (14, 10312324), (22, 6562388), (28, 5156162), (44, 3281194), (56, 2578081), (71, 2033416), (77, 1874968), (88, 1640597), (142, 1016708), (154, 937484), (284, 508354), (308, 468742), (497, 290488), (568, 254177), (616, 234371), (781, 184856), (994, 145244), (1562, 92428), (1988, 72622), (3124, 46214), (3301, 43736), (3976, 36311), (5467, 26408), (6248, 23107), (6602, 21868), (10934, 13204)]