19655145

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25693}}^1$

素因数の和:25721

約数の個数: 24

約数和(自身を含む): 36074376

約数和(自身を除く): 16419231

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 25693, 77079, 128465, 231237, 385395, 436781, 1156185, 1310343, 2183905, 3931029, 6551715, 19655145]

約数ペア:

[(1, 19655145), (3, 6551715), (5, 3931029), (9, 2183905), (15, 1310343), (17, 1156185), (45, 436781), (51, 385395), (85, 231237), (153, 128465), (255, 77079), (765, 25693)]