18618870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21401}}^1$

素因数の和:21440

約数の個数: 32

約数和(自身を含む): 46228320

約数和(自身を除く): 27609450

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 21401, 42802, 64203, 107005, 128406, 214010, 321015, 620629, 642030, 1241258, 1861887, 3103145, 3723774, 6206290, 9309435, 18618870]

約数ペア:

[(1, 18618870), (2, 9309435), (3, 6206290), (5, 3723774), (6, 3103145), (10, 1861887), (15, 1241258), (29, 642030), (30, 620629), (58, 321015), (87, 214010), (145, 128406), (174, 107005), (290, 64203), (435, 42802), (870, 21401)]