18804754

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 31570560

約数和(自身を除く): 12765806

約数列:

[1, 2, 17, 23, 34, 46, 139, 173, 278, 346, 391, 782, 2363, 2941, 3197, 3979, 4726, 5882, 6394, 7958, 24047, 48094, 54349, 67643, 108698, 135286, 408799, 553081, 817598, 1106162, 9402377, 18804754]

約数ペア:

[(1, 18804754), (2, 9402377), (17, 1106162), (23, 817598), (34, 553081), (46, 408799), (139, 135286), (173, 108698), (278, 67643), (346, 54349), (391, 48094), (782, 24047), (2363, 7958), (2941, 6394), (3197, 5882), (3979, 4726)]