19719128

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{1567}}^1$

素因数の和:1608

約数の個数: 48

約数和(自身を含む): 43794240

約数和(自身を除く): 24075112

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 121, 143, 242, 286, 484, 572, 968, 1144, 1567, 1573, 3134, 3146, 6268, 6292, 12536, 12584, 17237, 20371, 34474, 40742, 68948, 81484, 137896, 162968, 189607, 224081, 379214, 448162, 758428, 896324, 1516856, 1792648, 2464891, 4929782, 9859564, 19719128]

約数ペア:

[(1, 19719128), (2, 9859564), (4, 4929782), (8, 2464891), (11, 1792648), (13, 1516856), (22, 896324), (26, 758428), (44, 448162), (52, 379214), (88, 224081), (104, 189607), (121, 162968), (143, 137896), (242, 81484), (286, 68948), (484, 40742), (572, 34474), (968, 20371), (1144, 17237), (1567, 12584), (1573, 12536), (3134, 6292), (3146, 6268)]