19860945

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{569}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 14612655

約数列:

[1, 3, 5, 13, 15, 39, 65, 179, 195, 537, 569, 895, 1707, 2327, 2685, 2845, 6981, 7397, 8535, 11635, 22191, 34905, 36985, 101851, 110955, 305553, 509255, 1324063, 1527765, 3972189, 6620315, 19860945]

約数ペア:

[(1, 19860945), (3, 6620315), (5, 3972189), (13, 1527765), (15, 1324063), (39, 509255), (65, 305553), (179, 110955), (195, 101851), (537, 36985), (569, 34905), (895, 22191), (1707, 11635), (2327, 8535), (2685, 7397), (2845, 6981)]