18961057

素因数分解:

${\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 20506624

約数和(自身を除く): 1545567

約数列:

[1, 31, 37, 61, 271, 1147, 1891, 2257, 8401, 10027, 16531, 69967, 310837, 512461, 611647, 18961057]

約数ペア:

[(1, 18961057), (31, 611647), (37, 512461), (61, 310837), (271, 69967), (1147, 16531), (1891, 10027), (2257, 8401)]