19732492

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12241}}^1$

素因数の和:12289

約数の個数: 24

約数和(自身を含む): 38390912

約数和(自身を除く): 18658420

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 12241, 24482, 48964, 159133, 318266, 379471, 636532, 758942, 1517884, 4933123, 9866246, 19732492]

約数ペア:

[(1, 19732492), (2, 9866246), (4, 4933123), (13, 1517884), (26, 758942), (31, 636532), (52, 379471), (62, 318266), (124, 159133), (403, 48964), (806, 24482), (1612, 12241)]