18614128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89491}}^1$

素因数の和:89512

約数の個数: 20

約数和(自身を含む): 38839528

約数和(自身を除く): 20225400

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89491, 178982, 357964, 715928, 1163383, 1431856, 2326766, 4653532, 9307064, 18614128]

約数ペア:

[(1, 18614128), (2, 9307064), (4, 4653532), (8, 2326766), (13, 1431856), (16, 1163383), (26, 715928), (52, 357964), (104, 178982), (208, 89491)]