19774545

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{4007}}^1$

素因数の和:4069

約数の個数: 32

約数和(自身を含む): 36937728

約数和(自身を除く): 17163183

約数列:

[1, 3, 5, 7, 15, 21, 35, 47, 105, 141, 235, 329, 705, 987, 1645, 4007, 4935, 12021, 20035, 28049, 60105, 84147, 140245, 188329, 420735, 564987, 941645, 1318303, 2824935, 3954909, 6591515, 19774545]

約数ペア:

[(1, 19774545), (3, 6591515), (5, 3954909), (7, 2824935), (15, 1318303), (21, 941645), (35, 564987), (47, 420735), (105, 188329), (141, 140245), (235, 84147), (329, 60105), (705, 28049), (987, 20035), (1645, 12021), (4007, 4935)]