18743696

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7187}}^1$

素因数の和:7358

約数の個数: 20

約数和(自身を含む): 36543792

約数和(自身を除く): 17800096

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7187, 14374, 28748, 57496, 114992, 1171481, 2342962, 4685924, 9371848, 18743696]

約数ペア:

[(1, 18743696), (2, 9371848), (4, 4685924), (8, 2342962), (16, 1171481), (163, 114992), (326, 57496), (652, 28748), (1304, 14374), (2608, 7187)]