19121973

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4339}}^1$

素因数の和:4468

約数の個数: 16

約数和(自身を含む): 27706560

約数和(自身を除く): 8584587

約数列:

[1, 3, 13, 39, 113, 339, 1469, 4339, 4407, 13017, 56407, 169221, 490307, 1470921, 6373991, 19121973]

約数ペア:

[(1, 19121973), (3, 6373991), (13, 1470921), (39, 490307), (113, 169221), (339, 56407), (1469, 13017), (4339, 4407)]