19131838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{8443}}^1$

素因数の和:8559

約数の個数: 16

約数和(自身を含む): 31614336

約数和(自身を除く): 12482498

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 8443, 16886, 92873, 185746, 869629, 1739258, 9565919, 19131838]

約数ペア:

[(1, 19131838), (2, 9565919), (11, 1739258), (22, 869629), (103, 185746), (206, 92873), (1133, 16886), (2266, 8443)]