18847080447

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{916999}}^1$

素因数の和:917063

約数の個数: 32

約数和(自身を含む): 29578752000

約数和(自身を除く): 10731671553

約数列:

[1, 3, 13, 17, 31, 39, 51, 93, 221, 403, 527, 663, 1209, 1581, 6851, 20553, 916999, 2750997, 11920987, 15588983, 28426969, 35762961, 46766949, 85280907, 202656779, 369550597, 483258473, 607970337, 1108651791, 1449775419, 6282360149, 18847080447]

約数ペア:

[(1, 18847080447), (3, 6282360149), (13, 1449775419), (17, 1108651791), (31, 607970337), (39, 483258473), (51, 369550597), (93, 202656779), (221, 85280907), (403, 46766949), (527, 35762961), (663, 28426969), (1209, 15588983), (1581, 11920987), (6851, 2750997), (20553, 916999)]