19910842

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{269}}^1\times {\mathrm{311}}^1$

素因数の和:606

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 16480838

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 269, 311, 538, 622, 1883, 2177, 3766, 4354, 4573, 5287, 9146, 10574, 32011, 37009, 64022, 74018, 83659, 167318, 585613, 1171226, 1422203, 2844406, 9955421, 19910842]

約数ペア:

[(1, 19910842), (2, 9955421), (7, 2844406), (14, 1422203), (17, 1171226), (34, 585613), (119, 167318), (238, 83659), (269, 74018), (311, 64022), (538, 37009), (622, 32011), (1883, 10574), (2177, 9146), (3766, 5287), (4354, 4573)]