18836426

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{2099}}^1$

素因数の和:2749

約数の個数: 16

約数和(自身を含む): 32356800

約数和(自身を除く): 13520374

約数列:

[1, 2, 7, 14, 641, 1282, 2099, 4198, 4487, 8974, 14693, 29386, 1345459, 2690918, 9418213, 18836426]

約数ペア:

[(1, 18836426), (2, 9418213), (7, 2690918), (14, 1345459), (641, 29386), (1282, 14693), (2099, 8974), (4198, 4487)]