18919982

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{761}}^1$

素因数の和:1195

約数の個数: 16

約数和(自身を含む): 29407104

約数和(自身を除く): 10487122

約数列:

[1, 2, 31, 62, 401, 761, 802, 1522, 12431, 23591, 24862, 47182, 305161, 610322, 9459991, 18919982]

約数ペア:

[(1, 18919982), (2, 9459991), (31, 610322), (62, 305161), (401, 47182), (761, 24862), (802, 23591), (1522, 12431)]