19681233

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{3529}}^1$

素因数の和:3569

約数の個数: 24

約数和(自身を含む): 31007520

約数和(自身を除く): 11326287

約数列:

[1, 3, 11, 13, 33, 39, 143, 169, 429, 507, 1859, 3529, 5577, 10587, 38819, 45877, 116457, 137631, 504647, 596401, 1513941, 1789203, 6560411, 19681233]

約数ペア:

[(1, 19681233), (3, 6560411), (11, 1789203), (13, 1513941), (33, 596401), (39, 504647), (143, 137631), (169, 116457), (429, 45877), (507, 38819), (1859, 10587), (3529, 5577)]