19663796

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{457}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 35702016

約数和(自身を除く): 16038220

約数列:

[1, 2, 4, 31, 62, 124, 347, 457, 694, 914, 1388, 1828, 10757, 14167, 21514, 28334, 43028, 56668, 158579, 317158, 634316, 4915949, 9831898, 19663796]

約数ペア:

[(1, 19663796), (2, 9831898), (4, 4915949), (31, 634316), (62, 317158), (124, 158579), (347, 56668), (457, 43028), (694, 28334), (914, 21514), (1388, 14167), (1828, 10757)]