19120465

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{42023}}^1$

素因数の和:42048

約数の個数: 16

約数和(自身を含む): 28240128

約数和(自身を除く): 9119663

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 42023, 210115, 294161, 546299, 1470805, 2731495, 3824093, 19120465]

約数ペア:

[(1, 19120465), (5, 3824093), (7, 2731495), (13, 1470805), (35, 546299), (65, 294161), (91, 210115), (455, 42023)]