19661468

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{1187}}^1$

素因数の和:1333

約数の個数: 24

約数和(自身を含む): 35625744

約数和(自身を除く): 15964276

約数列:

[1, 2, 4, 41, 82, 101, 164, 202, 404, 1187, 2374, 4141, 4748, 8282, 16564, 48667, 97334, 119887, 194668, 239774, 479548, 4915367, 9830734, 19661468]

約数ペア:

[(1, 19661468), (2, 9830734), (4, 4915367), (41, 479548), (82, 239774), (101, 194668), (164, 119887), (202, 97334), (404, 48667), (1187, 16564), (2374, 8282), (4141, 4748)]