19122775

素因数分解:

$5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{4751}}^1$

素因数の和:4791

約数の個数: 24

約数和(自身を含む): 28283904

約数和(自身を除く): 9161129

約数列:

[1, 5, 7, 23, 25, 35, 115, 161, 175, 575, 805, 4025, 4751, 23755, 33257, 109273, 118775, 166285, 546365, 764911, 831425, 2731825, 3824555, 19122775]

約数ペア:

[(1, 19122775), (5, 3824555), (7, 2731825), (23, 831425), (25, 764911), (35, 546365), (115, 166285), (161, 118775), (175, 109273), (575, 33257), (805, 23755), (4025, 4751)]