19774001

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 22202880

約数和(自身を除く): 2428879

約数列:

[1, 13, 31, 139, 353, 403, 1807, 4309, 4589, 10943, 49067, 56017, 142259, 637871, 1521077, 19774001]

約数ペア:

[(1, 19774001), (13, 1521077), (31, 637871), (139, 142259), (353, 56017), (403, 49067), (1807, 10943), (4309, 4589)]