19454259318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1441697}}^1$

素因数の和:1441888

約数の個数: 32

約数和(自身を含む): 42143715936

約数和(自身を除く): 22689456618

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 173, 346, 519, 1038, 2249, 4498, 6747, 13494, 1441697, 2883394, 4325091, 8650182, 18742061, 37484122, 56226183, 112452366, 249413581, 498827162, 748240743, 1496481486, 3242376553, 6484753106, 9727129659, 19454259318]

約数ペア:

[(1, 19454259318), (2, 9727129659), (3, 6484753106), (6, 3242376553), (13, 1496481486), (26, 748240743), (39, 498827162), (78, 249413581), (173, 112452366), (346, 56226183), (519, 37484122), (1038, 18742061), (2249, 8650182), (4498, 4325091), (6747, 2883394), (13494, 1441697)]