18040264

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{389}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 40435200

約数和(自身を除く): 22394936

約数列:

[1, 2, 4, 8, 11, 17, 22, 31, 34, 44, 62, 68, 88, 124, 136, 187, 248, 341, 374, 389, 527, 682, 748, 778, 1054, 1364, 1496, 1556, 2108, 2728, 3112, 4216, 4279, 5797, 6613, 8558, 11594, 12059, 13226, 17116, 23188, 24118, 26452, 34232, 46376, 48236, 52904, 72743, 96472, 132649, 145486, 205003, 265298, 290972, 410006, 530596, 581944, 820012, 1061192, 1640024, 2255033, 4510066, 9020132, 18040264]

約数ペア:

[(1, 18040264), (2, 9020132), (4, 4510066), (8, 2255033), (11, 1640024), (17, 1061192), (22, 820012), (31, 581944), (34, 530596), (44, 410006), (62, 290972), (68, 265298), (88, 205003), (124, 145486), (136, 132649), (187, 96472), (248, 72743), (341, 52904), (374, 48236), (389, 46376), (527, 34232), (682, 26452), (748, 24118), (778, 23188), (1054, 17116), (1364, 13226), (1496, 12059), (1556, 11594), (2108, 8558), (2728, 6613), (3112, 5797), (4216, 4279)]