18478116

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{277}}^1$

素因数の和:413

約数の個数: 72

約数和(自身を含む): 50090040

約数和(自身を除く): 31611924

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 109, 153, 204, 218, 277, 306, 327, 436, 554, 612, 654, 831, 981, 1108, 1308, 1662, 1853, 1962, 2493, 3324, 3706, 3924, 4709, 4986, 5559, 7412, 9418, 9972, 11118, 14127, 16677, 18836, 22236, 28254, 30193, 33354, 42381, 56508, 60386, 66708, 84762, 90579, 120772, 169524, 181158, 271737, 362316, 513281, 543474, 1026562, 1086948, 1539843, 2053124, 3079686, 4619529, 6159372, 9239058, 18478116]

約数ペア:

[(1, 18478116), (2, 9239058), (3, 6159372), (4, 4619529), (6, 3079686), (9, 2053124), (12, 1539843), (17, 1086948), (18, 1026562), (34, 543474), (36, 513281), (51, 362316), (68, 271737), (102, 181158), (109, 169524), (153, 120772), (204, 90579), (218, 84762), (277, 66708), (306, 60386), (327, 56508), (436, 42381), (554, 33354), (612, 30193), (654, 28254), (831, 22236), (981, 18836), (1108, 16677), (1308, 14127), (1662, 11118), (1853, 9972), (1962, 9418), (2493, 7412), (3324, 5559), (3706, 4986), (3924, 4709)]