18480730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4229}}^1$

素因数の和:4278

約数の個数: 32

約数和(自身を含む): 36547200

約数和(自身を除く): 18066470

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4229, 4370, 8458, 21145, 42290, 80351, 97267, 160702, 194534, 401755, 486335, 803510, 972670, 1848073, 3696146, 9240365, 18480730]

約数ペア:

[(1, 18480730), (2, 9240365), (5, 3696146), (10, 1848073), (19, 972670), (23, 803510), (38, 486335), (46, 401755), (95, 194534), (115, 160702), (190, 97267), (230, 80351), (437, 42290), (874, 21145), (2185, 8458), (4229, 4370)]