18877803

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{52879}}^1$

素因数の和:52906

約数の個数: 16

約数和(自身を含む): 30458880

約数和(自身を除く): 11581077

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 52879, 158637, 370153, 898943, 1110459, 2696829, 6292601, 18877803]

約数ペア:

[(1, 18877803), (3, 6292601), (7, 2696829), (17, 1110459), (21, 898943), (51, 370153), (119, 158637), (357, 52879)]