19242278

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1$

素因数の和:308

約数の個数: 32

約数和(自身を含む): 32514048

約数和(自身を除く): 13271770

約数列:

[1, 2, 11, 22, 71, 97, 127, 142, 194, 254, 781, 1067, 1397, 1562, 2134, 2794, 6887, 9017, 12319, 13774, 18034, 24638, 75757, 99187, 135509, 151514, 198374, 271018, 874649, 1749298, 9621139, 19242278]

約数ペア:

[(1, 19242278), (2, 9621139), (11, 1749298), (22, 874649), (71, 271018), (97, 198374), (127, 151514), (142, 135509), (194, 99187), (254, 75757), (781, 24638), (1067, 18034), (1397, 13774), (1562, 12319), (2134, 9017), (2794, 6887)]