18769910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{443}}^1$

素因数の和:692

約数の個数: 32

約数和(自身を含む): 35804160

約数和(自身を除く): 17034250

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 223, 443, 446, 886, 1115, 2215, 2230, 4237, 4430, 8417, 8474, 16834, 21185, 42085, 42370, 84170, 98789, 197578, 493945, 987890, 1876991, 3753982, 9384955, 18769910]

約数ペア:

[(1, 18769910), (2, 9384955), (5, 3753982), (10, 1876991), (19, 987890), (38, 493945), (95, 197578), (190, 98789), (223, 84170), (443, 42370), (446, 42085), (886, 21185), (1115, 16834), (2215, 8474), (2230, 8417), (4237, 4430)]