18986132

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 38489472

約数和(自身を除く): 19503340

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 73, 92, 146, 253, 257, 292, 506, 514, 803, 1012, 1028, 1606, 1679, 2827, 3212, 3358, 5654, 5911, 6716, 11308, 11822, 18469, 18761, 23644, 36938, 37522, 65021, 73876, 75044, 130042, 206371, 260084, 412742, 431503, 825484, 863006, 1726012, 4746533, 9493066, 18986132]

約数ペア:

[(1, 18986132), (2, 9493066), (4, 4746533), (11, 1726012), (22, 863006), (23, 825484), (44, 431503), (46, 412742), (73, 260084), (92, 206371), (146, 130042), (253, 75044), (257, 73876), (292, 65021), (506, 37522), (514, 36938), (803, 23644), (1012, 18761), (1028, 18469), (1606, 11822), (1679, 11308), (2827, 6716), (3212, 5911), (3358, 5654)]