19984367

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2917}}^1$

素因数の和:2978

約数の個数: 16

約数和(自身を含む): 23530752

約数和(自身を除く): 3546385

約数列:

[1, 13, 17, 31, 221, 403, 527, 2917, 6851, 37921, 49589, 90427, 644657, 1175551, 1537259, 19984367]

約数ペア:

[(1, 19984367), (13, 1537259), (17, 1175551), (31, 644657), (221, 90427), (403, 49589), (527, 37921), (2917, 6851)]