18918834

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^3\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 64

約数和(自身を含む): 43849728

約数和(自身を除く): 24930894

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 103, 121, 138, 206, 242, 253, 309, 363, 506, 618, 726, 759, 1133, 1331, 1518, 2266, 2369, 2662, 2783, 3399, 3993, 4738, 5566, 6798, 7107, 7986, 8349, 12463, 14214, 16698, 24926, 26059, 30613, 37389, 52118, 61226, 74778, 78177, 91839, 137093, 156354, 183678, 274186, 286649, 411279, 573298, 822558, 859947, 1719894, 3153139, 6306278, 9459417, 18918834]

約数ペア:

[(1, 18918834), (2, 9459417), (3, 6306278), (6, 3153139), (11, 1719894), (22, 859947), (23, 822558), (33, 573298), (46, 411279), (66, 286649), (69, 274186), (103, 183678), (121, 156354), (138, 137093), (206, 91839), (242, 78177), (253, 74778), (309, 61226), (363, 52118), (506, 37389), (618, 30613), (726, 26059), (759, 24926), (1133, 16698), (1331, 14214), (1518, 12463), (2266, 8349), (2369, 7986), (2662, 7107), (2783, 6798), (3399, 5566), (3993, 4738)]