20164804918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{98947}}^1$

素因数の和:99172

約数の個数: 32

約数和(自身を含む): 33056547840

約数和(自身を除く): 12891742922

約数列:

[1, 2, 19, 31, 38, 62, 173, 346, 589, 1178, 3287, 5363, 6574, 10726, 98947, 101897, 197894, 203794, 1879993, 3067357, 3759986, 6134714, 17117831, 34235662, 58279783, 116559566, 325238789, 530652761, 650477578, 1061305522, 10082402459, 20164804918]

約数ペア:

[(1, 20164804918), (2, 10082402459), (19, 1061305522), (31, 650477578), (38, 530652761), (62, 325238789), (173, 116559566), (346, 58279783), (589, 34235662), (1178, 17117831), (3287, 6134714), (5363, 3759986), (6574, 3067357), (10726, 1879993), (98947, 203794), (101897, 197894)]