18911506

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1353

約数の個数: 16

約数和(自身を含む): 29080800

約数和(自身を除く): 10169294

約数列:

[1, 2, 59, 118, 139, 278, 1153, 2306, 8201, 16402, 68027, 136054, 160267, 320534, 9455753, 18911506]

約数ペア:

[(1, 18911506), (2, 9455753), (59, 320534), (118, 160267), (139, 136054), (278, 68027), (1153, 16402), (2306, 8201)]