19730128

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112103}}^1$

素因数の和:112122

約数の個数: 20

約数和(自身を含む): 41702688

約数和(自身を除く): 21972560

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112103, 224206, 448412, 896824, 1233133, 1793648, 2466266, 4932532, 9865064, 19730128]

約数ペア:

[(1, 19730128), (2, 9865064), (4, 4932532), (8, 2466266), (11, 1793648), (16, 1233133), (22, 896824), (44, 448412), (88, 224206), (176, 112103)]