18745892

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4787}}^1$

素因数の和:4891

約数の個数: 24

約数和(自身を含む): 36197280

約数和(自身を除く): 17451388

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 4787, 9574, 19148, 52657, 105314, 210628, 426043, 852086, 1704172, 4686473, 9372946, 18745892]

約数ペア:

[(1, 18745892), (2, 9372946), (4, 4686473), (11, 1704172), (22, 852086), (44, 426043), (89, 210628), (178, 105314), (356, 52657), (979, 19148), (1958, 9574), (3916, 4787)]