1811888

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:333

約数の個数: 40

約数和(自身を含む): 3916416

約数和(自身を除く): 2104528

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 281, 403, 496, 562, 806, 1124, 1612, 2248, 3224, 3653, 4496, 6448, 7306, 8711, 14612, 17422, 29224, 34844, 58448, 69688, 113243, 139376, 226486, 452972, 905944, 1811888]

約数ペア:

[(1, 1811888), (2, 905944), (4, 452972), (8, 226486), (13, 139376), (16, 113243), (26, 69688), (31, 58448), (52, 34844), (62, 29224), (104, 17422), (124, 14612), (208, 8711), (248, 7306), (281, 6448), (403, 4496), (496, 3653), (562, 3224), (806, 2248), (1124, 1612)]