19641616

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9371}}^1$

素因数の和:9510

約数の個数: 20

約数和(自身を含む): 38350224

約数和(自身を除く): 18708608

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9371, 18742, 37484, 74968, 149936, 1227601, 2455202, 4910404, 9820808, 19641616]

約数ペア:

[(1, 19641616), (2, 9820808), (4, 4910404), (8, 2455202), (16, 1227601), (131, 149936), (262, 74968), (524, 37484), (1048, 18742), (2096, 9371)]