19964152

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1979}}^1$

素因数の和:2095

約数の個数: 32

約数和(自身を含む): 40748400

約数和(自身を除く): 20784248

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 1979, 2522, 3958, 5044, 7916, 10088, 15832, 25727, 51454, 102908, 191963, 205816, 383926, 767852, 1535704, 2495519, 4991038, 9982076, 19964152]

約数ペア:

[(1, 19964152), (2, 9982076), (4, 4991038), (8, 2495519), (13, 1535704), (26, 767852), (52, 383926), (97, 205816), (104, 191963), (194, 102908), (388, 51454), (776, 25727), (1261, 15832), (1979, 10088), (2522, 7916), (3958, 5044)]