19387203

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{9631}}^1$

素因数の和:9706

約数の個数: 16

約数和(自身を含む): 28664832

約数和(自身を除く): 9277629

約数列:

[1, 3, 11, 33, 61, 183, 671, 2013, 9631, 28893, 105941, 317823, 587491, 1762473, 6462401, 19387203]

約数ペア:

[(1, 19387203), (3, 6462401), (11, 1762473), (33, 587491), (61, 317823), (183, 105941), (671, 28893), (2013, 9631)]