18596487

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4007}}^1$

素因数の和:4047

約数の個数: 32

約数和(自身を含む): 32320512

約数和(自身を除く): 13724025

約数列:

[1, 3, 7, 13, 17, 21, 39, 51, 91, 119, 221, 273, 357, 663, 1547, 4007, 4641, 12021, 28049, 52091, 68119, 84147, 156273, 204357, 364637, 476833, 885547, 1093911, 1430499, 2656641, 6198829, 18596487]

約数ペア:

[(1, 18596487), (3, 6198829), (7, 2656641), (13, 1430499), (17, 1093911), (21, 885547), (39, 476833), (51, 364637), (91, 204357), (119, 156273), (221, 84147), (273, 68119), (357, 52091), (663, 28049), (1547, 12021), (4007, 4641)]