18989916

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{491}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 48601728

約数和(自身を除く): 29611812

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 293, 491, 586, 879, 982, 1172, 1473, 1758, 1964, 2946, 3223, 3516, 5401, 5892, 6446, 9669, 10802, 12892, 16203, 19338, 21604, 32406, 38676, 64812, 143863, 287726, 431589, 575452, 863178, 1582493, 1726356, 3164986, 4747479, 6329972, 9494958, 18989916]

約数ペア:

[(1, 18989916), (2, 9494958), (3, 6329972), (4, 4747479), (6, 3164986), (11, 1726356), (12, 1582493), (22, 863178), (33, 575452), (44, 431589), (66, 287726), (132, 143863), (293, 64812), (491, 38676), (586, 32406), (879, 21604), (982, 19338), (1172, 16203), (1473, 12892), (1758, 10802), (1964, 9669), (2946, 6446), (3223, 5892), (3516, 5401)]