219876910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1998881}}^1$

素因数の和:1998899

約数の個数: 16

約数和(自身を含む): 431758512

約数和(自身を除く): 211881602

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 1998881, 3997762, 9994405, 19988810, 21987691, 43975382, 109938455, 219876910]

約数ペア:

[(1, 219876910), (2, 109938455), (5, 43975382), (10, 21987691), (11, 19988810), (22, 9994405), (55, 3997762), (110, 1998881)]