138091886

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{193}}^1\times {\mathrm{991}}^1$

素因数の和:1224

約数の個数: 24

約数和(自身を含む): 219968064

約数和(自身を除く): 81876178

約数列:

[1, 2, 19, 38, 193, 361, 386, 722, 991, 1982, 3667, 7334, 18829, 37658, 69673, 139346, 191263, 357751, 382526, 715502, 3633997, 7267994, 69045943, 138091886]

約数ペア:

[(1, 138091886), (2, 69045943), (19, 7267994), (38, 3633997), (193, 715502), (361, 382526), (386, 357751), (722, 191263), (991, 139346), (1982, 69673), (3667, 37658), (7334, 18829)]