19869896

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2143}}^1$

素因数の和:2229

約数の個数: 32

約数和(自身を含む): 39878400

約数和(自身を除く): 20008504

約数列:

[1, 2, 4, 8, 19, 38, 61, 76, 122, 152, 244, 488, 1159, 2143, 2318, 4286, 4636, 8572, 9272, 17144, 40717, 81434, 130723, 162868, 261446, 325736, 522892, 1045784, 2483737, 4967474, 9934948, 19869896]

約数ペア:

[(1, 19869896), (2, 9934948), (4, 4967474), (8, 2483737), (19, 1045784), (38, 522892), (61, 325736), (76, 261446), (122, 162868), (152, 130723), (244, 81434), (488, 40717), (1159, 17144), (2143, 9272), (2318, 8572), (4286, 4636)]