19657664

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{23627}}^1$

素因数の和:23652

約数の個数: 28

約数和(自身を含む): 42010584

約数和(自身を除く): 22352920

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 23627, 47254, 94508, 189016, 307151, 378032, 614302, 756064, 1228604, 1512128, 2457208, 4914416, 9828832, 19657664]

約数ペア:

[(1, 19657664), (2, 9828832), (4, 4914416), (8, 2457208), (13, 1512128), (16, 1228604), (26, 756064), (32, 614302), (52, 378032), (64, 307151), (104, 189016), (208, 94508), (416, 47254), (832, 23627)]