18002896

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:379

約数の個数: 40

約数和(自身を含む): 36140544

約数和(自身を除く): 18137648

約数列:

[1, 2, 4, 8, 16, 43, 86, 137, 172, 191, 274, 344, 382, 548, 688, 764, 1096, 1528, 2192, 3056, 5891, 8213, 11782, 16426, 23564, 26167, 32852, 47128, 52334, 65704, 94256, 104668, 131408, 209336, 418672, 1125181, 2250362, 4500724, 9001448, 18002896]

約数ペア:

[(1, 18002896), (2, 9001448), (4, 4500724), (8, 2250362), (16, 1125181), (43, 418672), (86, 209336), (137, 131408), (172, 104668), (191, 94256), (274, 65704), (344, 52334), (382, 47128), (548, 32852), (688, 26167), (764, 23564), (1096, 16426), (1528, 11782), (2192, 8213), (3056, 5891)]