19139878

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13613}}^1$

素因数の和:13671

約数の個数: 16

約数和(自身を含む): 31039920

約数和(自身を除く): 11900042

約数列:

[1, 2, 19, 37, 38, 74, 703, 1406, 13613, 27226, 258647, 503681, 517294, 1007362, 9569939, 19139878]

約数ペア:

[(1, 19139878), (2, 9569939), (19, 1007362), (37, 517294), (38, 503681), (74, 258647), (703, 27226), (1406, 13613)]