19984788

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7027}}^1$

素因数の和:7116

約数の個数: 36

約数和(自身を含む): 51163840

約数和(自身を除く): 31179052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7027, 14054, 21081, 28108, 42162, 63243, 84324, 126486, 252972, 555133, 1110266, 1665399, 2220532, 3330798, 4996197, 6661596, 9992394, 19984788]

約数ペア:

[(1, 19984788), (2, 9992394), (3, 6661596), (4, 4996197), (6, 3330798), (9, 2220532), (12, 1665399), (18, 1110266), (36, 555133), (79, 252972), (158, 126486), (237, 84324), (316, 63243), (474, 42162), (711, 28108), (948, 21081), (1422, 14054), (2844, 7027)]