18689916

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{222499}}^1$

素因数の和:222513

約数の個数: 24

約数和(自身を含む): 49840000

約数和(自身を除く): 31150084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 222499, 444998, 667497, 889996, 1334994, 1557493, 2669988, 3114986, 4672479, 6229972, 9344958, 18689916]

約数ペア:

[(1, 18689916), (2, 9344958), (3, 6229972), (4, 4672479), (6, 3114986), (7, 2669988), (12, 1557493), (14, 1334994), (21, 889996), (28, 667497), (42, 444998), (84, 222499)]