19398128

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{4507}}^1$

素因数の和:4784

約数の個数: 20

約数和(自身を含む): 37731960

約数和(自身を除く): 18333832

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 4507, 9014, 18028, 36056, 72112, 1212383, 2424766, 4849532, 9699064, 19398128]

約数ペア:

[(1, 19398128), (2, 9699064), (4, 4849532), (8, 2424766), (16, 1212383), (269, 72112), (538, 36056), (1076, 18028), (2152, 9014), (4304, 4507)]