18383862

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 43868160

約数和(自身を除く): 25484298

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 67, 94, 134, 139, 141, 201, 278, 282, 329, 402, 417, 469, 658, 834, 938, 973, 987, 1407, 1946, 1974, 2814, 2919, 3149, 5838, 6298, 6533, 9313, 9447, 13066, 18626, 18894, 19599, 22043, 27939, 39198, 44086, 45731, 55878, 65191, 66129, 91462, 130382, 132258, 137193, 195573, 274386, 391146, 437711, 875422, 1313133, 2626266, 3063977, 6127954, 9191931, 18383862]

約数ペア:

[(1, 18383862), (2, 9191931), (3, 6127954), (6, 3063977), (7, 2626266), (14, 1313133), (21, 875422), (42, 437711), (47, 391146), (67, 274386), (94, 195573), (134, 137193), (139, 132258), (141, 130382), (201, 91462), (278, 66129), (282, 65191), (329, 55878), (402, 45731), (417, 44086), (469, 39198), (658, 27939), (834, 22043), (938, 19599), (973, 18894), (987, 18626), (1407, 13066), (1946, 9447), (1974, 9313), (2814, 6533), (2919, 6298), (3149, 5838)]