18041373

素因数分解:

$3^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{677}}^1$

素因数の和:743

約数の個数: 40

約数和(自身を含む): 31502592

約数和(自身を除く): 13461219

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 81, 141, 189, 329, 423, 567, 677, 987, 1269, 2031, 2961, 3807, 4739, 6093, 8883, 14217, 18279, 26649, 31819, 42651, 54837, 95457, 127953, 222733, 286371, 383859, 668199, 859113, 2004597, 2577339, 6013791, 18041373]

約数ペア:

[(1, 18041373), (3, 6013791), (7, 2577339), (9, 2004597), (21, 859113), (27, 668199), (47, 383859), (63, 286371), (81, 222733), (141, 127953), (189, 95457), (329, 54837), (423, 42651), (567, 31819), (677, 26649), (987, 18279), (1269, 14217), (2031, 8883), (2961, 6093), (3807, 4739)]