19156004

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{7687}}^1$

素因数の和:7787

約数の個数: 24

約数和(自身を含む): 38747520

約数和(自身を除く): 19591516

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 7687, 15374, 30748, 53809, 107618, 215236, 684143, 1368286, 2736572, 4789001, 9578002, 19156004]

約数ペア:

[(1, 19156004), (2, 9578002), (4, 4789001), (7, 2736572), (14, 1368286), (28, 684143), (89, 215236), (178, 107618), (356, 53809), (623, 30748), (1246, 15374), (2492, 7687)]