20130519

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{1973}}^1$

素因数の和:2174

約数の個数: 16

約数和(自身を含む): 28425600

約数和(自身を除く): 8295081

約数列:

[1, 3, 19, 57, 179, 537, 1973, 3401, 5919, 10203, 37487, 112461, 353167, 1059501, 6710173, 20130519]

約数ペア:

[(1, 20130519), (3, 6710173), (19, 1059501), (57, 353167), (179, 112461), (537, 37487), (1973, 10203), (3401, 5919)]