15980904

素因数分解:

$2^3\times 3^2\times {\mathrm{221957}}^1$

素因数の和:221969

約数の個数: 24

約数和(自身を含む): 43281810

約数和(自身を除く): 27300906

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 221957, 443914, 665871, 887828, 1331742, 1775656, 1997613, 2663484, 3995226, 5326968, 7990452, 15980904]

約数ペア:

[(1, 15980904), (2, 7990452), (3, 5326968), (4, 3995226), (6, 2663484), (8, 1997613), (9, 1775656), (12, 1331742), (18, 887828), (24, 665871), (36, 443914), (72, 221957)]