19827015

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5981}}^1$

素因数の和:6019

約数の個数: 32

約数和(自身を含む): 36179136

約数和(自身を除く): 16352121

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 663, 1105, 3315, 5981, 17943, 29905, 77753, 89715, 101677, 233259, 305031, 388765, 508385, 1166295, 1321801, 1525155, 3965403, 6609005, 19827015]

約数ペア:

[(1, 19827015), (3, 6609005), (5, 3965403), (13, 1525155), (15, 1321801), (17, 1166295), (39, 508385), (51, 388765), (65, 305031), (85, 233259), (195, 101677), (221, 89715), (255, 77753), (663, 29905), (1105, 17943), (3315, 5981)]