17820130

素因数分解:

$2^1\times 5^1\times {\mathrm{409}}^1\times {\mathrm{4357}}^1$

素因数の和:4773

約数の個数: 16

約数和(自身を含む): 32162040

約数和(自身を除く): 14341910

約数列:

[1, 2, 5, 10, 409, 818, 2045, 4090, 4357, 8714, 21785, 43570, 1782013, 3564026, 8910065, 17820130]

約数ペア:

[(1, 17820130), (2, 8910065), (5, 3564026), (10, 1782013), (409, 43570), (818, 21785), (2045, 8714), (4090, 4357)]