18109539

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:524

約数の個数: 48

約数和(自身を含む): 32580288

約数和(自身を除く): 14470749

約数列:

[1, 3, 7, 9, 17, 21, 37, 51, 63, 111, 119, 153, 259, 333, 357, 457, 629, 777, 1071, 1371, 1887, 2331, 3199, 4113, 4403, 5661, 7769, 9597, 13209, 16909, 23307, 28791, 39627, 50727, 54383, 69921, 118363, 152181, 163149, 287453, 355089, 489447, 862359, 1065267, 2012171, 2587077, 6036513, 18109539]

約数ペア:

[(1, 18109539), (3, 6036513), (7, 2587077), (9, 2012171), (17, 1065267), (21, 862359), (37, 489447), (51, 355089), (63, 287453), (111, 163149), (119, 152181), (153, 118363), (259, 69921), (333, 54383), (357, 50727), (457, 39627), (629, 28791), (777, 23307), (1071, 16909), (1371, 13209), (1887, 9597), (2331, 7769), (3199, 5661), (4113, 4403)]