19120535

素因数分解:

$5^1\times 7^3\times {\mathrm{11149}}^1$

素因数の和:11175

約数の個数: 16

約数和(自身を含む): 26760000

約数和(自身を除く): 7639465

約数列:

[1, 5, 7, 35, 49, 245, 343, 1715, 11149, 55745, 78043, 390215, 546301, 2731505, 3824107, 19120535]

約数ペア:

[(1, 19120535), (5, 3824107), (7, 2731505), (35, 546301), (49, 390215), (245, 78043), (343, 55745), (1715, 11149)]