19010538

素因数分解:

$2^1\times 3^4\times {\mathrm{239}}^1\times {\mathrm{491}}^1$

素因数の和:744

約数の個数: 40

約数和(自身を含む): 42863040

約数和(自身を除く): 23852502

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 239, 478, 491, 717, 982, 1434, 1473, 2151, 2946, 4302, 4419, 6453, 8838, 12906, 13257, 19359, 26514, 38718, 39771, 79542, 117349, 234698, 352047, 704094, 1056141, 2112282, 3168423, 6336846, 9505269, 19010538]

約数ペア:

[(1, 19010538), (2, 9505269), (3, 6336846), (6, 3168423), (9, 2112282), (18, 1056141), (27, 704094), (54, 352047), (81, 234698), (162, 117349), (239, 79542), (478, 39771), (491, 38718), (717, 26514), (982, 19359), (1434, 13257), (1473, 12906), (2151, 8838), (2946, 6453), (4302, 4419)]