18735172

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{457}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 33868184

約数和(自身を除く): 15133012

約数列:

[1, 2, 4, 37, 74, 148, 277, 457, 554, 914, 1108, 1828, 10249, 16909, 20498, 33818, 40996, 67636, 126589, 253178, 506356, 4683793, 9367586, 18735172]

約数ペア:

[(1, 18735172), (2, 9367586), (4, 4683793), (37, 506356), (74, 253178), (148, 126589), (277, 67636), (457, 40996), (554, 33818), (914, 20498), (1108, 16909), (1828, 10249)]