18221148

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 108

約数和(自身を含む): 52284960

約数和(自身を除く): 34063812

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 44, 47, 66, 89, 94, 99, 121, 132, 141, 178, 188, 198, 242, 267, 282, 356, 363, 396, 423, 484, 517, 534, 564, 726, 801, 846, 979, 1034, 1068, 1089, 1452, 1551, 1602, 1692, 1958, 2068, 2178, 2937, 3102, 3204, 3916, 4183, 4356, 4653, 5687, 5874, 6204, 8366, 8811, 9306, 10769, 11374, 11748, 12549, 16732, 17061, 17622, 18612, 21538, 22748, 25098, 32307, 34122, 35244, 37647, 43076, 46013, 50196, 51183, 64614, 68244, 75294, 92026, 96921, 102366, 129228, 138039, 150588, 184052, 193842, 204732, 276078, 387684, 414117, 506143, 552156, 828234, 1012286, 1518429, 1656468, 2024572, 3036858, 4555287, 6073716, 9110574, 18221148]

約数ペア:

[(1, 18221148), (2, 9110574), (3, 6073716), (4, 4555287), (6, 3036858), (9, 2024572), (11, 1656468), (12, 1518429), (18, 1012286), (22, 828234), (33, 552156), (36, 506143), (44, 414117), (47, 387684), (66, 276078), (89, 204732), (94, 193842), (99, 184052), (121, 150588), (132, 138039), (141, 129228), (178, 102366), (188, 96921), (198, 92026), (242, 75294), (267, 68244), (282, 64614), (356, 51183), (363, 50196), (396, 46013), (423, 43076), (484, 37647), (517, 35244), (534, 34122), (564, 32307), (726, 25098), (801, 22748), (846, 21538), (979, 18612), (1034, 17622), (1068, 17061), (1089, 16732), (1452, 12549), (1551, 11748), (1602, 11374), (1692, 10769), (1958, 9306), (2068, 8811), (2178, 8366), (2937, 6204), (3102, 5874), (3204, 5687), (3916, 4653), (4183, 4356)]