18942086

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{1117}}^1$

素因数の和:1319

約数の個数: 16

約数和(自身を含む): 29112720

約数和(自身を除く): 10170634

約数列:

[1, 2, 61, 122, 139, 278, 1117, 2234, 8479, 16958, 68137, 136274, 155263, 310526, 9471043, 18942086]

約数ペア:

[(1, 18942086), (2, 9471043), (61, 310526), (122, 155263), (139, 136274), (278, 68137), (1117, 16958), (2234, 8479)]