19603448

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 39971400

約数和(自身を除く): 20367952

約数列:

[1, 2, 4, 8, 17, 34, 61, 68, 122, 136, 139, 244, 278, 289, 488, 556, 578, 1037, 1112, 1156, 2074, 2312, 2363, 4148, 4726, 8296, 8479, 9452, 16958, 17629, 18904, 33916, 35258, 40171, 67832, 70516, 80342, 141032, 144143, 160684, 288286, 321368, 576572, 1153144, 2450431, 4900862, 9801724, 19603448]

約数ペア:

[(1, 19603448), (2, 9801724), (4, 4900862), (8, 2450431), (17, 1153144), (34, 576572), (61, 321368), (68, 288286), (122, 160684), (136, 144143), (139, 141032), (244, 80342), (278, 70516), (289, 67832), (488, 40171), (556, 35258), (578, 33916), (1037, 18904), (1112, 17629), (1156, 16958), (2074, 9452), (2312, 8479), (2363, 8296), (4148, 4726)]