18007308

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1229}}^1$

素因数の和:1287

約数の個数: 72

約数和(自身を含む): 51040080

約数和(自身を除く): 33032772

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1229, 1332, 1628, 2442, 2458, 3663, 3687, 4884, 4916, 7326, 7374, 11061, 13519, 14652, 14748, 22122, 27038, 40557, 44244, 45473, 54076, 81114, 90946, 121671, 136419, 162228, 181892, 243342, 272838, 409257, 486684, 500203, 545676, 818514, 1000406, 1500609, 1637028, 2000812, 3001218, 4501827, 6002436, 9003654, 18007308]

約数ペア:

[(1, 18007308), (2, 9003654), (3, 6002436), (4, 4501827), (6, 3001218), (9, 2000812), (11, 1637028), (12, 1500609), (18, 1000406), (22, 818514), (33, 545676), (36, 500203), (37, 486684), (44, 409257), (66, 272838), (74, 243342), (99, 181892), (111, 162228), (132, 136419), (148, 121671), (198, 90946), (222, 81114), (333, 54076), (396, 45473), (407, 44244), (444, 40557), (666, 27038), (814, 22122), (1221, 14748), (1229, 14652), (1332, 13519), (1628, 11061), (2442, 7374), (2458, 7326), (3663, 4916), (3687, 4884)]