19561444

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{5333}}^1$

素因数の和:5475

約数の個数: 24

約数和(自身を含む): 39428928

約数和(自身を除く): 19867484

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 5333, 10666, 21332, 37331, 74662, 149324, 698623, 1397246, 2794492, 4890361, 9780722, 19561444]

約数ペア:

[(1, 19561444), (2, 9780722), (4, 4890361), (7, 2794492), (14, 1397246), (28, 698623), (131, 149324), (262, 74662), (524, 37331), (917, 21332), (1834, 10666), (3668, 5333)]