19866856

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4507}}^1$

素因数の和:4561

約数の個数: 32

約数和(自身を含む): 40572000

約数和(自身を除く): 20705144

約数列:

[1, 2, 4, 8, 19, 29, 38, 58, 76, 116, 152, 232, 551, 1102, 2204, 4408, 4507, 9014, 18028, 36056, 85633, 130703, 171266, 261406, 342532, 522812, 685064, 1045624, 2483357, 4966714, 9933428, 19866856]

約数ペア:

[(1, 19866856), (2, 9933428), (4, 4966714), (8, 2483357), (19, 1045624), (29, 685064), (38, 522812), (58, 342532), (76, 261406), (116, 171266), (152, 130703), (232, 85633), (551, 36056), (1102, 18028), (2204, 9014), (4408, 4507)]