18706716

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3907}}^1$

素因数の和:3943

約数の個数: 72

約数和(自身を含む): 56900480

約数和(自身を除く): 38193764

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 36, 38, 42, 57, 63, 76, 84, 114, 126, 133, 171, 228, 252, 266, 342, 399, 532, 684, 798, 1197, 1596, 2394, 3907, 4788, 7814, 11721, 15628, 23442, 27349, 35163, 46884, 54698, 70326, 74233, 82047, 109396, 140652, 148466, 164094, 222699, 246141, 296932, 328188, 445398, 492282, 519631, 668097, 890796, 984564, 1039262, 1336194, 1558893, 2078524, 2672388, 3117786, 4676679, 6235572, 9353358, 18706716]

約数ペア:

[(1, 18706716), (2, 9353358), (3, 6235572), (4, 4676679), (6, 3117786), (7, 2672388), (9, 2078524), (12, 1558893), (14, 1336194), (18, 1039262), (19, 984564), (21, 890796), (28, 668097), (36, 519631), (38, 492282), (42, 445398), (57, 328188), (63, 296932), (76, 246141), (84, 222699), (114, 164094), (126, 148466), (133, 140652), (171, 109396), (228, 82047), (252, 74233), (266, 70326), (342, 54698), (399, 46884), (532, 35163), (684, 27349), (798, 23442), (1197, 15628), (1596, 11721), (2394, 7814), (3907, 4788)]