19845273

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{55589}}^1$

素因数の和:55616

約数の個数: 16

約数和(自身を含む): 32019840

約数和(自身を除く): 12174567

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 55589, 166767, 389123, 945013, 1167369, 2835039, 6615091, 19845273]

約数ペア:

[(1, 19845273), (3, 6615091), (7, 2835039), (17, 1167369), (21, 945013), (51, 389123), (119, 166767), (357, 55589)]