19119864

素因数分解:

$2^3\times 3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{191}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 49674240

約数和(自身を除く): 30554376

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 97, 129, 172, 191, 194, 258, 291, 344, 382, 388, 516, 573, 582, 764, 776, 1032, 1146, 1164, 1528, 2292, 2328, 4171, 4584, 8213, 8342, 12513, 16426, 16684, 18527, 24639, 25026, 32852, 33368, 37054, 49278, 50052, 55581, 65704, 74108, 98556, 100104, 111162, 148216, 197112, 222324, 444648, 796661, 1593322, 2389983, 3186644, 4779966, 6373288, 9559932, 19119864]

約数ペア:

[(1, 19119864), (2, 9559932), (3, 6373288), (4, 4779966), (6, 3186644), (8, 2389983), (12, 1593322), (24, 796661), (43, 444648), (86, 222324), (97, 197112), (129, 148216), (172, 111162), (191, 100104), (194, 98556), (258, 74108), (291, 65704), (344, 55581), (382, 50052), (388, 49278), (516, 37054), (573, 33368), (582, 32852), (764, 25026), (776, 24639), (1032, 18527), (1146, 16684), (1164, 16426), (1528, 12513), (2292, 8342), (2328, 8213), (4171, 4584)]