18739438

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{631}}^1$

素因数の和:1143

約数の個数: 16

約数和(自身を含む): 29122560

約数和(自身を除く): 10383122

約数列:

[1, 2, 31, 62, 479, 631, 958, 1262, 14849, 19561, 29698, 39122, 302249, 604498, 9369719, 18739438]

約数ペア:

[(1, 18739438), (2, 9369719), (31, 604498), (62, 302249), (479, 39122), (631, 29698), (958, 19561), (1262, 14849)]