19782038

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1\times {\mathrm{433}}^1$

素因数の和:919

約数の個数: 16

約数和(自身を含む): 30373056

約数和(自身を除く): 10591018

約数列:

[1, 2, 53, 106, 431, 433, 862, 866, 22843, 22949, 45686, 45898, 186623, 373246, 9891019, 19782038]

約数ペア:

[(1, 19782038), (2, 9891019), (53, 373246), (106, 186623), (431, 45898), (433, 45686), (862, 22949), (866, 22843)]