19413580

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10007}}^1$

素因数の和:10113

約数の個数: 24

約数和(自身を含む): 41192928

約数和(自身を除く): 21779348

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10007, 20014, 40028, 50035, 100070, 200140, 970679, 1941358, 3882716, 4853395, 9706790, 19413580]

約数ペア:

[(1, 19413580), (2, 9706790), (4, 4853395), (5, 3882716), (10, 1941358), (20, 970679), (97, 200140), (194, 100070), (388, 50035), (485, 40028), (970, 20014), (1940, 10007)]