18302128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87991}}^1$

素因数の和:88012

約数の個数: 20

約数和(自身を含む): 38188528

約数和(自身を除く): 19886400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87991, 175982, 351964, 703928, 1143883, 1407856, 2287766, 4575532, 9151064, 18302128]

約数ペア:

[(1, 18302128), (2, 9151064), (4, 4575532), (8, 2287766), (13, 1407856), (16, 1143883), (26, 703928), (52, 351964), (104, 175982), (208, 87991)]