18473936

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{88817}}^1$

素因数の和:88838

約数の個数: 20

約数和(自身を含む): 38547012

約数和(自身を除く): 20073076

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 88817, 177634, 355268, 710536, 1154621, 1421072, 2309242, 4618484, 9236968, 18473936]

約数ペア:

[(1, 18473936), (2, 9236968), (4, 4618484), (8, 2309242), (13, 1421072), (16, 1154621), (26, 710536), (52, 355268), (104, 177634), (208, 88817)]