19655961

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1289}}^1$

素因数の和:1345

約数の個数: 32

約数和(自身を含む): 31207680

約数和(自身を除く): 11551719

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 1289, 3867, 5083, 15249, 16757, 21913, 29647, 50271, 65739, 88941, 284869, 385411, 503999, 854607, 1156233, 1511997, 6551987, 19655961]

約数ペア:

[(1, 19655961), (3, 6551987), (13, 1511997), (17, 1156233), (23, 854607), (39, 503999), (51, 385411), (69, 284869), (221, 88941), (299, 65739), (391, 50271), (663, 29647), (897, 21913), (1173, 16757), (1289, 15249), (3867, 5083)]