19721264

素因数分解:

$2^4\times {\mathrm{97}}^2\times {\mathrm{131}}^1$

素因数の和:333

約数の個数: 30

約数和(自身を含む): 38902644

約数和(自身を除く): 19181380

約数列:

[1, 2, 4, 8, 16, 97, 131, 194, 262, 388, 524, 776, 1048, 1552, 2096, 9409, 12707, 18818, 25414, 37636, 50828, 75272, 101656, 150544, 203312, 1232579, 2465158, 4930316, 9860632, 19721264]

約数ペア:

[(1, 19721264), (2, 9860632), (4, 4930316), (8, 2465158), (16, 1232579), (97, 203312), (131, 150544), (194, 101656), (262, 75272), (388, 50828), (524, 37636), (776, 25414), (1048, 18818), (1552, 12707), (2096, 9409)]