19448559

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{827}}^1$

素因数の和:916

約数の個数: 32

約数和(自身を含む): 31530240

約数和(自身を除く): 12081681

約数列:

[1, 3, 9, 13, 27, 39, 67, 117, 201, 351, 603, 827, 871, 1809, 2481, 2613, 7443, 7839, 10751, 22329, 23517, 32253, 55409, 96759, 166227, 290277, 498681, 720317, 1496043, 2160951, 6482853, 19448559]

約数ペア:

[(1, 19448559), (3, 6482853), (9, 2160951), (13, 1496043), (27, 720317), (39, 498681), (67, 290277), (117, 166227), (201, 96759), (351, 55409), (603, 32253), (827, 23517), (871, 22329), (1809, 10751), (2481, 7839), (2613, 7443)]