18884516

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9239}}^1$

素因数の和:9323

約数の個数: 24

約数和(自身を含む): 38290560

約数和(自身を除く): 19406044

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9239, 18478, 36956, 64673, 129346, 258692, 674447, 1348894, 2697788, 4721129, 9442258, 18884516]

約数ペア:

[(1, 18884516), (2, 9442258), (4, 4721129), (7, 2697788), (14, 1348894), (28, 674447), (73, 258692), (146, 129346), (292, 64673), (511, 36956), (1022, 18478), (2044, 9239)]