18271972

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{2351}}^1$

素因数の和:2451

約数の個数: 24

約数和(自身を含む): 33586560

約数和(自身を除く): 15314588

約数列:

[1, 2, 4, 29, 58, 67, 116, 134, 268, 1943, 2351, 3886, 4702, 7772, 9404, 68179, 136358, 157517, 272716, 315034, 630068, 4567993, 9135986, 18271972]

約数ペア:

[(1, 18271972), (2, 9135986), (4, 4567993), (29, 630068), (58, 315034), (67, 272716), (116, 157517), (134, 136358), (268, 68179), (1943, 9404), (2351, 7772), (3886, 4702)]