19242580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137447}}^1$

素因数の和:137463

約数の個数: 24

約数和(自身を含む): 46182528

約数和(自身を除く): 26939948

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137447, 274894, 549788, 687235, 962129, 1374470, 1924258, 2748940, 3848516, 4810645, 9621290, 19242580]

約数ペア:

[(1, 19242580), (2, 9621290), (4, 4810645), (5, 3848516), (7, 2748940), (10, 1924258), (14, 1374470), (20, 962129), (28, 687235), (35, 549788), (70, 274894), (140, 137447)]