20181026968

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{2039}}^1\times {\mathrm{13901}}^1$

素因数の和:16035

約数の個数: 32

約数和(自身を含む): 38286108000

約数和(自身を除く): 18105081032

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 2039, 4078, 8156, 13901, 16312, 27802, 55604, 111208, 181471, 362942, 725884, 1237189, 1451768, 2474378, 4948756, 9897512, 28344139, 56688278, 113376556, 226753112, 2522628371, 5045256742, 10090513484, 20181026968]

約数ペア:

[(1, 20181026968), (2, 10090513484), (4, 5045256742), (8, 2522628371), (89, 226753112), (178, 113376556), (356, 56688278), (712, 28344139), (2039, 9897512), (4078, 4948756), (8156, 2474378), (13901, 1451768), (16312, 1237189), (27802, 725884), (55604, 362942), (111208, 181471)]