19898192

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{12821}}^1$

素因数の和:12926

約数の個数: 20

約数和(自身を含む): 38953236

約数和(自身を除く): 19055044

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 12821, 25642, 51284, 102568, 205136, 1243637, 2487274, 4974548, 9949096, 19898192]

約数ペア:

[(1, 19898192), (2, 9949096), (4, 4974548), (8, 2487274), (16, 1243637), (97, 205136), (194, 102568), (388, 51284), (776, 25642), (1552, 12821)]