18721836

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{74293}}^1$

素因数の和:74310

約数の個数: 36

約数和(自身を含む): 54086032

約数和(自身を除く): 35364196

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 74293, 148586, 222879, 297172, 445758, 520051, 668637, 891516, 1040102, 1337274, 1560153, 2080204, 2674548, 3120306, 4680459, 6240612, 9360918, 18721836]

約数ペア:

[(1, 18721836), (2, 9360918), (3, 6240612), (4, 4680459), (6, 3120306), (7, 2674548), (9, 2080204), (12, 1560153), (14, 1337274), (18, 1040102), (21, 891516), (28, 668637), (36, 520051), (42, 445758), (63, 297172), (84, 222879), (126, 148586), (252, 74293)]