18638334

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{557}}^1$

素因数の和:602

約数の個数: 72

約数和(自身を含む): 47789352

約数和(自身を除く): 29151018

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 33, 39, 66, 78, 99, 117, 143, 169, 198, 234, 286, 338, 429, 507, 557, 858, 1014, 1114, 1287, 1521, 1671, 1859, 2574, 3042, 3342, 3718, 5013, 5577, 6127, 7241, 10026, 11154, 12254, 14482, 16731, 18381, 21723, 33462, 36762, 43446, 55143, 65169, 79651, 94133, 110286, 130338, 159302, 188266, 238953, 282399, 477906, 564798, 716859, 847197, 1035463, 1433718, 1694394, 2070926, 3106389, 6212778, 9319167, 18638334]

約数ペア:

[(1, 18638334), (2, 9319167), (3, 6212778), (6, 3106389), (9, 2070926), (11, 1694394), (13, 1433718), (18, 1035463), (22, 847197), (26, 716859), (33, 564798), (39, 477906), (66, 282399), (78, 238953), (99, 188266), (117, 159302), (143, 130338), (169, 110286), (198, 94133), (234, 79651), (286, 65169), (338, 55143), (429, 43446), (507, 36762), (557, 33462), (858, 21723), (1014, 18381), (1114, 16731), (1287, 14482), (1521, 12254), (1671, 11154), (1859, 10026), (2574, 7241), (3042, 6127), (3342, 5577), (3718, 5013)]