19986064

素因数分解:

$2^4\times 7^1\times {\mathrm{178447}}^1$

素因数の和:178462

約数の個数: 20

約数和(自身を含む): 44255104

約数和(自身を除く): 24269040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 178447, 356894, 713788, 1249129, 1427576, 2498258, 2855152, 4996516, 9993032, 19986064]

約数ペア:

[(1, 19986064), (2, 9993032), (4, 4996516), (7, 2855152), (8, 2498258), (14, 1427576), (16, 1249129), (28, 713788), (56, 356894), (112, 178447)]