19043080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2957}}^1$

素因数の和:2998

約数の個数: 64

約数和(自身を含む): 51114240

約数和(自身を除く): 32071160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 2957, 3220, 5914, 6440, 11828, 14785, 20699, 23656, 29570, 41398, 59140, 68011, 82796, 103495, 118280, 136022, 165592, 206990, 272044, 340055, 413980, 476077, 544088, 680110, 827960, 952154, 1360220, 1904308, 2380385, 2720440, 3808616, 4760770, 9521540, 19043080]

約数ペア:

[(1, 19043080), (2, 9521540), (4, 4760770), (5, 3808616), (7, 2720440), (8, 2380385), (10, 1904308), (14, 1360220), (20, 952154), (23, 827960), (28, 680110), (35, 544088), (40, 476077), (46, 413980), (56, 340055), (70, 272044), (92, 206990), (115, 165592), (140, 136022), (161, 118280), (184, 103495), (230, 82796), (280, 68011), (322, 59140), (460, 41398), (644, 29570), (805, 23656), (920, 20699), (1288, 14785), (1610, 11828), (2957, 6440), (3220, 5914)]