18874724

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{2879}}^1$

素因数の和:3043

約数の個数: 24

約数和(自身を含む): 36288000

約数和(自身を除く): 17413276

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 596, 1639, 2879, 3278, 5758, 6556, 11516, 31669, 63338, 126676, 428971, 857942, 1715884, 4718681, 9437362, 18874724]

約数ペア:

[(1, 18874724), (2, 9437362), (4, 4718681), (11, 1715884), (22, 857942), (44, 428971), (149, 126676), (298, 63338), (596, 31669), (1639, 11516), (2879, 6556), (3278, 5758)]