1919920

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{233}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 4526496

約数和(自身を除く): 2606576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 233, 412, 466, 515, 824, 932, 1030, 1165, 1648, 1864, 2060, 2330, 3728, 4120, 4660, 8240, 9320, 18640, 23999, 47998, 95996, 119995, 191992, 239990, 383984, 479980, 959960, 1919920]

約数ペア:

[(1, 1919920), (2, 959960), (4, 479980), (5, 383984), (8, 239990), (10, 191992), (16, 119995), (20, 95996), (40, 47998), (80, 23999), (103, 18640), (206, 9320), (233, 8240), (412, 4660), (466, 4120), (515, 3728), (824, 2330), (932, 2060), (1030, 1864), (1165, 1648)]