18105537

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 8505663

約数列:

[1, 3, 19, 43, 57, 83, 89, 129, 249, 267, 817, 1577, 1691, 2451, 3569, 3827, 4731, 5073, 7387, 10707, 11481, 22161, 67811, 72713, 140353, 203433, 218139, 317641, 421059, 952923, 6035179, 18105537]

約数ペア:

[(1, 18105537), (3, 6035179), (19, 952923), (43, 421059), (57, 317641), (83, 218139), (89, 203433), (129, 140353), (249, 72713), (267, 67811), (817, 22161), (1577, 11481), (1691, 10707), (2451, 7387), (3569, 5073), (3827, 4731)]