19445153

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 25331712

約数和(自身を除く): 5886559

約数列:

[1, 7, 13, 31, 61, 91, 113, 217, 403, 427, 791, 793, 1469, 1891, 2821, 3503, 5551, 6893, 10283, 13237, 24521, 24583, 45539, 48251, 89609, 172081, 213683, 318773, 627263, 1495781, 2777879, 19445153]

約数ペア:

[(1, 19445153), (7, 2777879), (13, 1495781), (31, 627263), (61, 318773), (91, 213683), (113, 172081), (217, 89609), (403, 48251), (427, 45539), (791, 24583), (793, 24521), (1469, 13237), (1891, 10283), (2821, 6893), (3503, 5551)]