19868518

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{101}}^1\times {\mathrm{2399}}^1$

素因数の和:2543

約数の個数: 16

約数和(自身を含む): 30844800

約数和(自身を除く): 10976282

約数列:

[1, 2, 41, 82, 101, 202, 2399, 4141, 4798, 8282, 98359, 196718, 242299, 484598, 9934259, 19868518]

約数ペア:

[(1, 19868518), (2, 9934259), (41, 484598), (82, 242299), (101, 196718), (202, 98359), (2399, 8282), (4141, 4798)]