19305968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2551}}^1$

素因数の和:2613

約数の個数: 40

約数和(自身を含む): 41771136

約数和(自身を除く): 22465168

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2551, 3784, 5102, 7568, 10204, 20408, 28061, 40816, 56122, 109693, 112244, 219386, 224488, 438772, 448976, 877544, 1206623, 1755088, 2413246, 4826492, 9652984, 19305968]

約数ペア:

[(1, 19305968), (2, 9652984), (4, 4826492), (8, 2413246), (11, 1755088), (16, 1206623), (22, 877544), (43, 448976), (44, 438772), (86, 224488), (88, 219386), (172, 112244), (176, 109693), (344, 56122), (473, 40816), (688, 28061), (946, 20408), (1892, 10204), (2551, 7568), (3784, 5102)]