19659536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2011}}^1$

素因数の和:2079

約数の個数: 40

約数和(自身を含む): 41913984

約数和(自身を除く): 22254448

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2011, 2444, 4022, 4888, 8044, 9776, 16088, 26143, 32176, 52286, 94517, 104572, 189034, 209144, 378068, 418288, 756136, 1228721, 1512272, 2457442, 4914884, 9829768, 19659536]

約数ペア:

[(1, 19659536), (2, 9829768), (4, 4914884), (8, 2457442), (13, 1512272), (16, 1228721), (26, 756136), (47, 418288), (52, 378068), (94, 209144), (104, 189034), (188, 104572), (208, 94517), (376, 52286), (611, 32176), (752, 26143), (1222, 16088), (2011, 9776), (2444, 8044), (4022, 4888)]