18738968

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{57131}}^1$

素因数の和:57178

約数の個数: 16

約数和(自身を含む): 35993160

約数和(自身を除く): 17254192

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 57131, 114262, 228524, 457048, 2342371, 4684742, 9369484, 18738968]

約数ペア:

[(1, 18738968), (2, 9369484), (4, 4684742), (8, 2342371), (41, 457048), (82, 228524), (164, 114262), (328, 57131)]