18662896

素因数分解:

$2^4\times 7^1\times {\mathrm{281}}^1\times {\mathrm{593}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 41541984

約数和(自身を除く): 22879088

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 281, 562, 593, 1124, 1186, 1967, 2248, 2372, 3934, 4151, 4496, 4744, 7868, 8302, 9488, 15736, 16604, 31472, 33208, 66416, 166633, 333266, 666532, 1166431, 1333064, 2332862, 2666128, 4665724, 9331448, 18662896]

約数ペア:

[(1, 18662896), (2, 9331448), (4, 4665724), (7, 2666128), (8, 2332862), (14, 1333064), (16, 1166431), (28, 666532), (56, 333266), (112, 166633), (281, 66416), (562, 33208), (593, 31472), (1124, 16604), (1186, 15736), (1967, 9488), (2248, 8302), (2372, 7868), (3934, 4744), (4151, 4496)]