19982312

素因数分解:

$2^3\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1493}}^1$

素因数の和:1745

約数の個数: 32

約数和(自身を含む): 43027200

約数和(自身を除く): 23044888

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 239, 478, 956, 1493, 1673, 1912, 2986, 3346, 5972, 6692, 10451, 11944, 13384, 20902, 41804, 83608, 356827, 713654, 1427308, 2497789, 2854616, 4995578, 9991156, 19982312]

約数ペア:

[(1, 19982312), (2, 9991156), (4, 4995578), (7, 2854616), (8, 2497789), (14, 1427308), (28, 713654), (56, 356827), (239, 83608), (478, 41804), (956, 20902), (1493, 13384), (1673, 11944), (1912, 10451), (2986, 6692), (3346, 5972)]