19900329

素因数分解:

$3^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1\times {\mathrm{349}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 27048000

約数和(自身を除く): 7147671

約数列:

[1, 3, 83, 229, 249, 349, 687, 1047, 19007, 28967, 57021, 79921, 86901, 239763, 6633443, 19900329]

約数ペア:

[(1, 19900329), (3, 6633443), (83, 239763), (229, 86901), (249, 79921), (349, 57021), (687, 28967), (1047, 19007)]