18893667513

素因数分解:

$3^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{2049427}}^1$

素因数の和:2049876

約数の個数: 16

約数和(自身を含む): 28855946240

約数和(自身を除く): 9962278727

約数列:

[1, 3, 7, 21, 439, 1317, 3073, 9219, 2049427, 6148281, 14345989, 43037967, 899698453, 2699095359, 6297889171, 18893667513]

約数ペア:

[(1, 18893667513), (3, 6297889171), (7, 2699095359), (21, 899698453), (439, 43037967), (1317, 14345989), (3073, 6148281), (9219, 2049427)]