18920772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{40429}}^1$

素因数の和:40452

約数の個数: 36

約数和(自身を含む): 51507820

約数和(自身を除く): 32587048

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 40429, 80858, 121287, 161716, 242574, 363861, 485148, 525577, 727722, 1051154, 1455444, 1576731, 2102308, 3153462, 4730193, 6306924, 9460386, 18920772]

約数ペア:

[(1, 18920772), (2, 9460386), (3, 6306924), (4, 4730193), (6, 3153462), (9, 2102308), (12, 1576731), (13, 1455444), (18, 1051154), (26, 727722), (36, 525577), (39, 485148), (52, 363861), (78, 242574), (117, 161716), (156, 121287), (234, 80858), (468, 40429)]