19363120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{487}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 52282368

約数和(自身を除く): 32919248

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 280, 284, 355, 487, 497, 560, 568, 710, 974, 994, 1136, 1420, 1948, 1988, 2435, 2485, 2840, 3409, 3896, 3976, 4870, 4970, 5680, 6818, 7792, 7952, 9740, 9940, 13636, 17045, 19480, 19880, 27272, 34090, 34577, 38960, 39760, 54544, 68180, 69154, 136360, 138308, 172885, 242039, 272720, 276616, 345770, 484078, 553232, 691540, 968156, 1210195, 1383080, 1936312, 2420390, 2766160, 3872624, 4840780, 9681560, 19363120]

約数ペア:

[(1, 19363120), (2, 9681560), (4, 4840780), (5, 3872624), (7, 2766160), (8, 2420390), (10, 1936312), (14, 1383080), (16, 1210195), (20, 968156), (28, 691540), (35, 553232), (40, 484078), (56, 345770), (70, 276616), (71, 272720), (80, 242039), (112, 172885), (140, 138308), (142, 136360), (280, 69154), (284, 68180), (355, 54544), (487, 39760), (497, 38960), (560, 34577), (568, 34090), (710, 27272), (974, 19880), (994, 19480), (1136, 17045), (1420, 13636), (1948, 9940), (1988, 9740), (2435, 7952), (2485, 7792), (2840, 6818), (3409, 5680), (3896, 4970), (3976, 4870)]