19771245

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{33797}}^1$

素因数の和:33821

約数の個数: 24

約数和(自身を含む): 36907416

約数和(自身を除く): 17136171

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 33797, 101391, 168985, 304173, 439361, 506955, 1318083, 1520865, 2196805, 3954249, 6590415, 19771245]

約数ペア:

[(1, 19771245), (3, 6590415), (5, 3954249), (9, 2196805), (13, 1520865), (15, 1318083), (39, 506955), (45, 439361), (65, 304173), (117, 168985), (195, 101391), (585, 33797)]