1639472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{5393}}^1$

素因数の和:5420

約数の個数: 20

約数和(自身を含む): 3344280

約数和(自身を除く): 1704808

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 5393, 10786, 21572, 43144, 86288, 102467, 204934, 409868, 819736, 1639472]

約数ペア:

[(1, 1639472), (2, 819736), (4, 409868), (8, 204934), (16, 102467), (19, 86288), (38, 43144), (76, 21572), (152, 10786), (304, 5393)]