13438168

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{419}}^1$

素因数の和:655

約数の個数: 32

約数和(自身を含む): 26712000

約数和(自身を除く): 13273832

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 211, 419, 422, 838, 844, 1676, 1688, 3352, 4009, 7961, 8018, 15922, 16036, 31844, 32072, 63688, 88409, 176818, 353636, 707272, 1679771, 3359542, 6719084, 13438168]

約数ペア:

[(1, 13438168), (2, 6719084), (4, 3359542), (8, 1679771), (19, 707272), (38, 353636), (76, 176818), (152, 88409), (211, 63688), (419, 32072), (422, 31844), (838, 16036), (844, 15922), (1676, 8018), (1688, 7961), (3352, 4009)]