18744112

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13163}}^1$

素因数の和:13260

約数の個数: 20

約数和(自身を含む): 36727560

約数和(自身を除く): 17983448

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13163, 26326, 52652, 105304, 210608, 1171507, 2343014, 4686028, 9372056, 18744112]

約数ペア:

[(1, 18744112), (2, 9372056), (4, 4686028), (8, 2343014), (16, 1171507), (89, 210608), (178, 105304), (356, 52652), (712, 26326), (1424, 13163)]