18144468

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{647}}^1$

素因数の和:717

約数の個数: 72

約数和(自身を含む): 49533120

約数和(自身を除く): 31388652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 41, 57, 76, 82, 114, 123, 164, 171, 228, 246, 342, 369, 492, 647, 684, 738, 779, 1294, 1476, 1558, 1941, 2337, 2588, 3116, 3882, 4674, 5823, 7011, 7764, 9348, 11646, 12293, 14022, 23292, 24586, 26527, 28044, 36879, 49172, 53054, 73758, 79581, 106108, 110637, 147516, 159162, 221274, 238743, 318324, 442548, 477486, 504013, 954972, 1008026, 1512039, 2016052, 3024078, 4536117, 6048156, 9072234, 18144468]

約数ペア:

[(1, 18144468), (2, 9072234), (3, 6048156), (4, 4536117), (6, 3024078), (9, 2016052), (12, 1512039), (18, 1008026), (19, 954972), (36, 504013), (38, 477486), (41, 442548), (57, 318324), (76, 238743), (82, 221274), (114, 159162), (123, 147516), (164, 110637), (171, 106108), (228, 79581), (246, 73758), (342, 53054), (369, 49172), (492, 36879), (647, 28044), (684, 26527), (738, 24586), (779, 23292), (1294, 14022), (1476, 12293), (1558, 11646), (1941, 9348), (2337, 7764), (2588, 7011), (3116, 5823), (3882, 4674)]