19776087

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:559

約数の個数: 24

約数和(自身を含む): 29522064

約数和(自身を除く): 9745977

約数列:

[1, 3, 9, 43, 129, 137, 373, 387, 411, 1119, 1233, 3357, 5891, 16039, 17673, 48117, 51101, 53019, 144351, 153303, 459909, 2197343, 6592029, 19776087]

約数ペア:

[(1, 19776087), (3, 6592029), (9, 2197343), (43, 459909), (129, 153303), (137, 144351), (373, 53019), (387, 51101), (411, 48117), (1119, 17673), (1233, 16039), (3357, 5891)]