19561135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{20921}}^1$

素因数の和:20954

約数の個数: 16

約数和(自身を含む): 27114912

約数和(自身を除く): 7553777

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 20921, 104605, 230131, 355657, 1150655, 1778285, 3912227, 19561135]

約数ペア:

[(1, 19561135), (5, 3912227), (11, 1778285), (17, 1150655), (55, 355657), (85, 230131), (187, 104605), (935, 20921)]