19770526

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{139}}^1\times {\mathrm{197}}^1$

素因数の和:376

約数の個数: 24

約数和(自身を含む): 31683960

約数和(自身を除く): 11913434

約数列:

[1, 2, 19, 38, 139, 197, 278, 361, 394, 722, 2641, 3743, 5282, 7486, 27383, 50179, 54766, 71117, 100358, 142234, 520277, 1040554, 9885263, 19770526]

約数ペア:

[(1, 19770526), (2, 9885263), (19, 1040554), (38, 520277), (139, 142234), (197, 100358), (278, 71117), (361, 54766), (394, 50179), (722, 27383), (2641, 7486), (3743, 5282)]