19902138304

素因数分解:

$2^6\times {\mathrm{163}}^1\times {\mathrm{1907797}}^1$

素因数の和:1907972

約数の個数: 28

約数和(自身を含む): 39735616744

約数和(自身を除く): 19833478440

約数列:

[1, 2, 4, 8, 16, 32, 64, 163, 326, 652, 1304, 2608, 5216, 10432, 1907797, 3815594, 7631188, 15262376, 30524752, 61049504, 122099008, 310970911, 621941822, 1243883644, 2487767288, 4975534576, 9951069152, 19902138304]

約数ペア:

[(1, 19902138304), (2, 9951069152), (4, 4975534576), (8, 2487767288), (16, 1243883644), (32, 621941822), (64, 310970911), (163, 122099008), (326, 61049504), (652, 30524752), (1304, 15262376), (2608, 7631188), (5216, 3815594), (10432, 1907797)]