19764112

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39847}}^1$

素因数の和:39886

約数の個数: 20

約数和(自身を含む): 39529216

約数和(自身を除く): 19765104

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39847, 79694, 159388, 318776, 637552, 1235257, 2470514, 4941028, 9882056, 19764112]

約数ペア:

[(1, 19764112), (2, 9882056), (4, 4941028), (8, 2470514), (16, 1235257), (31, 637552), (62, 318776), (124, 159388), (248, 79694), (496, 39847)]