15991184

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2113}}^1$

素因数の和:2175

約数の個数: 40

約数和(自身を含む): 34601952

約数和(自身を除く): 18610768

約数列:

[1, 2, 4, 8, 11, 16, 22, 43, 44, 86, 88, 172, 176, 344, 473, 688, 946, 1892, 2113, 3784, 4226, 7568, 8452, 16904, 23243, 33808, 46486, 90859, 92972, 181718, 185944, 363436, 371888, 726872, 999449, 1453744, 1998898, 3997796, 7995592, 15991184]

約数ペア:

[(1, 15991184), (2, 7995592), (4, 3997796), (8, 1998898), (11, 1453744), (16, 999449), (22, 726872), (43, 371888), (44, 363436), (86, 185944), (88, 181718), (172, 92972), (176, 90859), (344, 46486), (473, 33808), (688, 23243), (946, 16904), (1892, 8452), (2113, 7568), (3784, 4226)]